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42642506331552 = 253444192774287
BaseRepresentation
bin10011011001000011110110…
…11100010011010110100000
312120222120202120210021210210
421230201323130103112200
521042123323110102202
6230405410313454120
711660551026206511
oct1154417334232640
9176876676707723
1042642506331552
1112650649155486
1249484a1111340
131aa422bb76bba
14a75ca05d8a08
154de3695cac6c
hex26c87b7135a0

42642506331552 has 24 divisors (see below), whose sum is σ = 111936579120576. Its totient is φ = 14214168777152.

The previous prime is 42642506331493. The next prime is 42642506331571. The reversal of 42642506331552 is 25513360524624.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222096387048 + ... + 222096387239.

It is an arithmetic number, because the mean of its divisors is an integer number (4664024130024).

Almost surely, 242642506331552 is an apocalyptic number.

It is an amenable number.

42642506331552 is an abundant number, since it is smaller than the sum of its proper divisors (69294072789024).

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

42642506331552 is a wasteful number, since it uses less digits than its factorization.

42642506331552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444192774300 (or 444192774292 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 42642506331552 in words is "forty-two trillion, six hundred forty-two billion, five hundred six million, three hundred thirty-one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 444192774287 888385548574 1332578322861 1776771097148 2665156645722 3553542194296 5330313291444 7107084388592 10660626582888 14214168777184 21321253165776 42642506331552