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42170716520037 = 34774375161411
BaseRepresentation
bin10011001011010101000101…
…00100111111111001100101
312112022110222202000122010000
421211222202210333321211
521011411111412120122
6225404543144451513
711611506445034460
oct1145524244777145
9175273882018100
1042170716520037
11124895560a6146
124890b73779b99
131a6b8b235a761
14a5b105c3a2d7
154d1e553cc0ac
hex265aa293fe65

42170716520037 has 20 divisors (see below), whose sum is σ = 71995156246816. Its totient is φ = 24097552296840.

The previous prime is 42170716520017. The next prime is 42170716520057. The reversal of 42170716520037 is 73002561707124.

42170716520037 is a `hidden beast` number, since 4 + 21 + 7 + 0 + 71 + 6 + 520 + 0 + 37 = 666.

It is an interprime number because it is at equal distance from previous prime (42170716520017) and next prime (42170716520057).

It is not a de Polignac number, because 42170716520037 - 222 = 42170712325733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42170716519974 and 42170716520001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42170716520017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37187580139 + ... + 37187581272.

Almost surely, 242170716520037 is an apocalyptic number.

It is an amenable number.

42170716520037 is a deficient number, since it is larger than the sum of its proper divisors (29824439726779).

42170716520037 is an equidigital number, since it uses as much as digits as its factorization.

42170716520037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74375161430 (or 74375161421 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 42170716520037 in words is "forty-two trillion, one hundred seventy billion, seven hundred sixteen million, five hundred twenty thousand, thirty-seven".

Divisors: 1 3 7 9 21 27 63 81 189 567 74375161411 223125484233 520626129877 669376452699 1561878389631 2008129358097 4685635168893 6024388074291 14056905506679 42170716520037