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139201263140 = 2256960063157
BaseRepresentation
bin1000000110100100001…
…0101011011000100100
3111022022011201211202112
42001221002223120210
54240041010410030
6143540450100152
713025352133262
oct2015102533044
9438264654675
10139201263140
1154042536335
1222b8a27a658
1310185262034
146a47511432
15394aa48a95
hex20690ab624

139201263140 has 12 divisors (see below), whose sum is σ = 292322652636. Its totient is φ = 55680505248.

The previous prime is 139201263139. The next prime is 139201263143. The reversal of 139201263140 is 41362102931.

It can be written as a sum of positive squares in 2 ways, for example, as 40464540964 + 98736722176 = 201158^2 + 314224^2 .

It is a junction number, because it is equal to n+sod(n) for n = 139201263097 and 139201263106.

It is not an unprimeable number, because it can be changed into a prime (139201263143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3480031559 + ... + 3480031598.

It is an arithmetic number, because the mean of its divisors is an integer number (24360221053).

Almost surely, 2139201263140 is an apocalyptic number.

139201263140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139201263140 is an abundant number, since it is smaller than the sum of its proper divisors (153121389496).

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

139201263140 is a wasteful number, since it uses less digits than its factorization.

139201263140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960063166 (or 6960063164 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 139201263140 in words is "one hundred thirty-nine billion, two hundred one million, two hundred sixty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 6960063157 13920126314 27840252628 34800315785 69600631570 139201263140