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42727175140 = 22513164335289
BaseRepresentation
bin100111110010101111…
…001111001111100100
311002021201201101111011
4213302233033033210
51200001124101030
631343435352004
73041550665506
oct476257171744
9132251641434
1042727175140
11171364160a1
1283452b2604
13404c092270
1420d4875d76
1511a1138b2a
hex9f2bcf3e4

42727175140 has 24 divisors (see below), whose sum is σ = 96629150520. Its totient is φ = 15776187648.

The previous prime is 42727175119. The next prime is 42727175171. The reversal of 42727175140 is 4157172724.

It can be written as a sum of positive squares in 4 ways, for example, as 2210316196 + 40516858944 = 47014^2 + 201288^2 .

It is a super-2 number, since 2×427271751402 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42727175093 and 42727175102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82167385 + ... + 82167904.

It is an arithmetic number, because the mean of its divisors is an integer number (4026214605).

Almost surely, 242727175140 is an apocalyptic number.

It is an amenable number.

42727175140 is an abundant number, since it is smaller than the sum of its proper divisors (53901975380).

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

42727175140 is a wasteful number, since it uses less digits than its factorization.

42727175140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164335311 (or 164335309 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 40.

The spelling of 42727175140 in words is "forty-two billion, seven hundred twenty-seven million, one hundred seventy-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 164335289 328670578 657341156 821676445 1643352890 2136358757 3286705780 4272717514 8545435028 10681793785 21363587570 42727175140