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139210667764 = 2272710258509
BaseRepresentation
bin1000000110100110011…
…0100011011011110100
3111022022211102122110221
42001221212203123310
54240100412332024
6143541423424124
713025525103100
oct2015146433364
9438284378427
10139210667764
115404787a153
1222b91455044
13101871a58bc
146a4887c900
15394b7a53e4
hex20699a36f4

139210667764 has 18 divisors (see below), whose sum is σ = 283393145490. Its totient is φ = 59661714672.

The previous prime is 139210667759. The next prime is 139210667773. The reversal of 139210667764 is 467766012931.

It can be written as a sum of positive squares in only one way, i.e., 91530451600 + 47680216164 = 302540^2 + 218358^2 .

It is a super-2 number, since 2×1392106677642 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355129059 + ... + 355129450.

Almost surely, 2139210667764 is an apocalyptic number.

139210667764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139210667764 is an abundant number, since it is smaller than the sum of its proper divisors (144182477726).

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

139210667764 is a wasteful number, since it uses less digits than its factorization.

139210667764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710258527 (or 710258518 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 139210667764 in words is "one hundred thirty-nine billion, two hundred ten million, six hundred sixty-seven thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 28 49 98 196 710258509 1420517018 2841034036 4971809563 9943619126 19887238252 34802666941 69605333882 139210667764