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139814914261 = 1112710446751
BaseRepresentation
bin1000001000110110011…
…1100100100011010101
3111100212221102112211211
42002031213210203111
54242320104224021
6144121410501421
713046513106511
oct2021547444325
9440787375754
10139814914261
1154327968520
122311b894871
131025242a2c9
146aa4c0d141
1539848613e1
hex208d9e48d5

139814914261 has 4 divisors (see below), whose sum is σ = 152525361024. Its totient is φ = 127104467500.

The previous prime is 139814914241. The next prime is 139814914271. The reversal of 139814914261 is 162419418931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 139814914261 - 213 = 139814906069 is a prime.

It is a super-2 number, since 2×1398149142612 (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 (139814914201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6355223365 + ... + 6355223386.

It is an arithmetic number, because the mean of its divisors is an integer number (38131340256).

Almost surely, 2139814914261 is an apocalyptic number.

139814914261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

139814914261 is a deficient number, since it is larger than the sum of its proper divisors (12710446763).

139814914261 is a wasteful number, since it uses less digits than its factorization.

139814914261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12710446762.

The product of its digits is 373248, while the sum is 49.

The spelling of 139814914261 in words is "one hundred thirty-nine billion, eight hundred fourteen million, nine hundred fourteen thousand, two hundred sixty-one".

Divisors: 1 11 12710446751 139814914261