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42651488160 = 25325229129341
BaseRepresentation
bin100111101110001110…
…100000111110100000
311002002110022002110200
4213232032200332200
51144322240110120
631332133225200
73036641444661
oct475616407640
9132073262420
1042651488160
11170a7720376
128323a92200
1340394b2078
1420c87b3368
151199687e90
hex9ee3a0fa0

42651488160 has 144 divisors (see below), whose sum is σ = 146184915240. Its totient is φ = 11323975680.

The previous prime is 42651488129. The next prime is 42651488179. The reversal of 42651488160 is 6188415624.

It is a happy number.

42651488160 is a `hidden beast` number, since 4 + 2 + 6 + 5 + 1 + 488 + 160 = 666.

42651488160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39972804624 + 2678683536 = 199932^2 + 51756^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265090 + ... + 394430.

Almost surely, 242651488160 is an apocalyptic number.

42651488160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42651488160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73092457620).

42651488160 is an abundant number, since it is smaller than the sum of its proper divisors (103533427080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42651488160 is a wasteful number, since it uses less digits than its factorization.

42651488160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129591 (or 129580 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 42651488160 in words is "forty-two billion, six hundred fifty-one million, four hundred eighty-eight thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 229 240 288 360 458 480 687 720 916 1145 1374 1440 1832 2061 2290 2748 3435 3664 4122 4580 5496 6870 7328 8244 9160 10305 10992 13740 16488 18320 20610 21984 27480 32976 36640 41220 54960 65952 82440 109920 129341 164880 258682 329760 388023 517364 646705 776046 1034728 1164069 1293410 1552092 1940115 2069456 2328138 2586820 3104184 3880230 4138912 4656276 5173640 5820345 6208368 7760460 9312552 10347280 11640690 12416736 15520920 18625104 20694560 23281380 29619089 31041840 37250208 46562760 59238178 62083680 88857267 93125520 118476356 148095445 177714534 186251040 236952712 266571801 296190890 355429068 444286335 473905424 533143602 592381780 710858136 888572670 947810848 1066287204 1184763560 1332859005 1421716272 1777145340 2132574408 2369527120 2665718010 2843432544 3554290680 4265148816 4739054240 5331436020 7108581360 8530297632 10662872040 14217162720 21325744080 42651488160