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42133031421985 = 5710376391529963
BaseRepresentation
bin10011001010001110111000…
…10111110000100000100001
312112011212201101212022002201
421211013130113300200201
521010301422021000420
6225335351502213201
711606003540012110
oct1145073427604041
9175155641768081
1042133031421985
1112474577917209
1248857b6b84201
131a68187a6a17a
14a5936cc99c77
154d0e9bc5c10a
hex2651dc5f0821

42133031421985 has 32 divisors (see below), whose sum is σ = 58351113400320. Its totient is φ = 28606960202688.

The previous prime is 42133031421959. The next prime is 42133031422061. The reversal of 42133031421985 is 58912413033124.

It is not a de Polignac number, because 42133031421985 - 225 = 42132997867553 is a prime.

It is a super-2 number, since 2×421330314219852 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26773614 + ... + 28303576.

It is an arithmetic number, because the mean of its divisors is an integer number (1823472293760).

Almost surely, 242133031421985 is an apocalyptic number.

It is an amenable number.

42133031421985 is a deficient number, since it is larger than the sum of its proper divisors (16218081978335).

42133031421985 is a wasteful number, since it uses less digits than its factorization.

42133031421985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537717.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 42133031421985 in words is "forty-two trillion, one hundred thirty-three billion, thirty-one million, four hundred twenty-one thousand, nine hundred eighty-five".

Divisors: 1 5 7 35 103 515 721 3605 7639 38195 53473 267365 786817 1529963 3934085 5507719 7649815 10709741 27538595 53548705 157586189 787930945 1103103323 5515516615 11687387357 58436936785 81811711499 409058557495 1203800897771 6019004488855 8426606284397 42133031421985