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139309211911 = 2312374896461
BaseRepresentation
bin1000000110111101111…
…0011110000100000111
3111022120200212012122011
42001233132132010013
54240301124240121
6143555303515051
713031132522602
oct2015736360407
9438520765564
10139309211911
11540984668a1
1222bba458a87
13101a172984c
146a579b1339
15395526d7e1
hex206f79e107

139309211911 has 8 divisors (see below), whose sum is σ = 145483678944. Its totient is φ = 133144540320.

The previous prime is 139309211887. The next prime is 139309211929. The reversal of 139309211911 is 119112903931.

139309211911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139309211911 - 25 = 139309211879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139309211311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419780 + ... + 2476681.

It is an arithmetic number, because the mean of its divisors is an integer number (18185459868).

Almost surely, 2139309211911 is an apocalyptic number.

139309211911 is a deficient number, since it is larger than the sum of its proper divisors (6174467033).

139309211911 is a wasteful number, since it uses less digits than its factorization.

139309211911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897721.

The product of its (nonzero) digits is 13122, while the sum is 40.

The spelling of 139309211911 in words is "one hundred thirty-nine billion, three hundred nine million, two hundred eleven thousand, nine hundred eleven".

Divisors: 1 23 1237 28451 4896461 112618603 6056922257 139309211911