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148170856940 = 2254110915710559
BaseRepresentation
bin1000100111111110101…
…0111101100111101100
3112011110021121102022022
42021333222331213230
54411423214410230
6152022503405312
713463545334441
oct2117752754754
9464407542268
10148170856940
1157925649977
1224872153838
1310c846274a2
14725888d9c8
153cc321b1e5
hex227fabd9ec

148170856940 has 96 divisors (see below), whose sum is σ = 323751859200. Its totient is φ = 56921978880.

The previous prime is 148170856807. The next prime is 148170856943. The reversal of 148170856940 is 49658071841.

It is not an unprimeable number, because it can be changed into a prime (148170856943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14027381 + ... + 14037939.

It is an arithmetic number, because the mean of its divisors is an integer number (3372415200).

Almost surely, 2148170856940 is an apocalyptic number.

148170856940 is a gapful number since it is divisible by the number (10) 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 148170856940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161875929600).

148170856940 is an abundant number, since it is smaller than the sum of its proper divisors (175581002260).

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

148170856940 is a wasteful number, since it uses less digits than its factorization.

148170856940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10875 (or 10873 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 148170856940 in words is "one hundred forty-eight billion, one hundred seventy million, eight hundred fifty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 41 82 109 157 164 205 218 314 410 436 545 628 785 820 1090 1570 2180 3140 4469 6437 8938 10559 12874 17113 17876 21118 22345 25748 32185 34226 42236 44690 52795 64370 68452 85565 89380 105590 128740 171130 211180 342260 432919 701633 865838 1150931 1403266 1657763 1731676 2164595 2301862 2806532 3315526 3508165 4329190 4603724 5754655 6631052 7016330 8288815 8658380 11509310 14032660 16577630 23018620 33155260 47188171 67968283 94376342 135936566 180696167 188752684 235940855 271873132 339841415 361392334 471881710 679682830 722784668 903480835 943763420 1359365660 1806961670 3613923340 7408542847 14817085694 29634171388 37042714235 74085428470 148170856940