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139753665254 = 2719525389719
BaseRepresentation
bin1000001000100111110…
…1111011001011100110
3111100201200011210000002
42002021331323023212
54242203414242004
6144111342021302
713045140361130
oct2021175731346
9440650153002
10139753665254
11542a6334205
1223103277832
13102428339a8
146a9aa28050
15397e2b361e
hex2089f7b2e6

139753665254 has 16 divisors (see below), whose sum is σ = 252187065600. Its totient is φ = 56742089544.

The previous prime is 139753665253. The next prime is 139753665313. The reversal of 139753665254 is 452566357931.

It is a self number, because there is not a number n which added to its sum of digits gives 139753665254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139753665253) 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, 262694594 + ... + 262695125.

It is an arithmetic number, because the mean of its divisors is an integer number (15761691600).

Almost surely, 2139753665254 is an apocalyptic number.

139753665254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139753665254 is a deficient number, since it is larger than the sum of its proper divisors (112433400346).

139753665254 is a wasteful number, since it uses less digits than its factorization.

139753665254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525389747.

The product of its digits is 20412000, while the sum is 56.

The spelling of 139753665254 in words is "one hundred thirty-nine billion, seven hundred fifty-three million, six hundred sixty-five thousand, two hundred fifty-four".

Divisors: 1 2 7 14 19 38 133 266 525389719 1050779438 3677728033 7355456066 9982404661 19964809322 69876832627 139753665254