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69739476042 = 2362683185429
BaseRepresentation
bin100000011110011001…
…0111111010001001010
320200000021010110012010
41000330302333101022
52120311301213132
652012103000350
75016131523405
oct1007462772112
9220007113163
1069739476042
1127638130615
12116237390b6
13676548ba72
14353819ad3c
151c327ed6cc
hex103ccbf44a

69739476042 has 16 divisors (see below), whose sum is σ = 139481929440. Its totient is φ = 23245995792.

The previous prime is 69739475963. The next prime is 69739476043. The reversal of 69739476042 is 24067493796.

It is a super-2 number, since 2×697394760422 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69739476043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283384 + ... + 468812.

It is an arithmetic number, because the mean of its divisors is an integer number (8717620590).

Almost surely, 269739476042 is an apocalyptic number.

69739476042 is an abundant number, since it is smaller than the sum of its proper divisors (69742453398).

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

69739476042 is a wasteful number, since it uses less digits than its factorization.

69739476042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248117.

The product of its (nonzero) digits is 13716864, while the sum is 57.

The spelling of 69739476042 in words is "sixty-nine billion, seven hundred thirty-nine million, four hundred seventy-six thousand, forty-two".

Divisors: 1 2 3 6 62683 125366 185429 188049 370858 376098 556287 1112574 11623246007 23246492014 34869738021 69739476042