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42130033020 = 22325733206243
BaseRepresentation
bin100111001111001001…
…010100100101111100
311000202010002102111100
4213033021110211330
51142240242024040
631204304453100
73021010241415
oct471711244574
9130663072440
1042130033020
111695a33a409
1281b931a190
133c8545742a
14207943480c
1511689d2b30
hex9cf25497c

42130033020 has 72 divisors (see below), whose sum is σ = 129545082576. Its totient is φ = 11080772352.

The previous prime is 42130032937. The next prime is 42130033031. The reversal of 42130033020 is 2033003124.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42130032984 and 42130033002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1589982 + ... + 1616261.

It is an arithmetic number, because the mean of its divisors is an integer number (1799237258).

Almost surely, 242130033020 is an apocalyptic number.

It is an amenable number.

42130033020 is an abundant number, since it is smaller than the sum of its proper divisors (87415049556).

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

42130033020 is a wasteful number, since it uses less digits than its factorization.

42130033020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206331 (or 3206326 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 42130033020 its reverse (2033003124), we get a palindrome (44163036144).

The spelling of 42130033020 in words is "forty-two billion, one hundred thirty million, thirty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 73 90 146 180 219 292 365 438 657 730 876 1095 1314 1460 2190 2628 3285 4380 6570 13140 3206243 6412486 9618729 12824972 16031215 19237458 28856187 32062430 38474916 48093645 57712374 64124860 96187290 115424748 144280935 192374580 234055739 288561870 468111478 577123740 702167217 936222956 1170278695 1404334434 2106501651 2340557390 2808668868 3510836085 4213003302 4681114780 7021672170 8426006604 10532508255 14043344340 21065016510 42130033020