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352512042420 = 223523594329551
BaseRepresentation
bin1010010000100110101…
…10101110010110110100
31020200220011121011202010
411020103112232112310
521233421040324140
6425535232244220
734316401631046
oct5102326562664
91220804534663
10352512042420
11126554948a6a
125839b6a0670
132731b156165
14130c1339a96
15928285c880
hex52135ae5b4

352512042420 has 96 divisors (see below), whose sum is σ = 1047405219840. Its totient is φ = 88392092800.

The previous prime is 352512042419. The next prime is 352512042427. The reversal of 352512042420 is 24240215253.

It is a super-2 number, since 2×3525120424202 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352512042427) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2083356 + ... + 2246195.

It is an arithmetic number, because the mean of its divisors is an integer number (10910471040).

Almost surely, 2352512042420 is an apocalyptic number.

352512042420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352512042420 is an abundant number, since it is smaller than the sum of its proper divisors (694893177420).

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

352512042420 is a wasteful number, since it uses less digits than its factorization.

352512042420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329645 (or 4329643 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 352512042420 its reverse (24240215253), we get a palindrome (376752257673).

The spelling of 352512042420 in words is "three hundred fifty-two billion, five hundred twelve million, forty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 59 60 69 92 115 118 138 177 230 236 276 295 345 354 460 590 690 708 885 1180 1357 1380 1770 2714 3540 4071 5428 6785 8142 13570 16284 20355 27140 40710 81420 4329551 8659102 12988653 17318204 21647755 25977306 43295510 51954612 64943265 86591020 99579673 129886530 199159346 255443509 259773060 298739019 398318692 497898365 510887018 597478038 766330527 995796730 1021774036 1194956076 1277217545 1493695095 1532661054 1991593460 2554435090 2987390190 3065322108 3831652635 5108870180 5875200707 5974780380 7663305270 11750401414 15326610540 17625602121 23500802828 29376003535 35251204242 58752007070 70502408484 88128010605 117504014140 176256021210 352512042420