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139308247463 = 7111939374083
BaseRepresentation
bin1000000110111101101…
…0110010100110100111
3111022120122001012122212
42001233122302212213
54240300402404323
6143555231114035
713031121365030
oct2015732624647
9438518035585
10139308247463
1154097968230
1222bba07291b
13101a147c878
146a577dda87
15395512cb78
hex206f6b29a7

139308247463 has 16 divisors (see below), whose sum is σ = 174582940416. Its totient is φ = 107989424640.

The previous prime is 139308247433. The next prime is 139308247487. The reversal of 139308247463 is 364742803931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-139308247463 is a prime.

It is a super-2 number, since 2×1393082474632 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139308247433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4672181 + ... + 4701902.

It is an arithmetic number, because the mean of its divisors is an integer number (10911433776).

Almost surely, 2139308247463 is an apocalyptic number.

139308247463 is a deficient number, since it is larger than the sum of its proper divisors (35274692953).

139308247463 is a wasteful number, since it uses less digits than its factorization.

139308247463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9374294.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 139308247463 in words is "one hundred thirty-nine billion, three hundred eight million, two hundred forty-seven thousand, four hundred sixty-three".

Divisors: 1 7 11 77 193 1351 2123 14861 9374083 65618581 103114913 721804391 1809198019 12664386133 19901178209 139308247463