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139872719519 = 1310949982687
BaseRepresentation
bin1000001001000100010…
…0000101001010011111
3111101000222012100202022
42002101010011022133
54242424404011034
6144131233450355
713051114333121
oct2022104051237
9441028170668
10139872719519
115435755a465
12231371109bb
13102613b92c0
146aac779211
15398997db2e
hex209110529f

139872719519 has 8 divisors (see below), whose sum is σ = 150646070400. Its totient is φ = 129101355936.

The previous prime is 139872719507. The next prime is 139872719537. The reversal of 139872719519 is 915917278931.

It is a happy number.

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 139872719519 - 28 = 139872719263 is a prime.

It is a super-2 number, since 2×1398727195192 (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 (139872719219) 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, 349007 + ... + 633680.

It is an arithmetic number, because the mean of its divisors is an integer number (18830758800).

Almost surely, 2139872719519 is an apocalyptic number.

139872719519 is a deficient number, since it is larger than the sum of its proper divisors (10773350881).

139872719519 is a wasteful number, since it uses less digits than its factorization.

139872719519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993649.

The product of its digits is 8573040, while the sum is 62.

The spelling of 139872719519 in words is "one hundred thirty-nine billion, eight hundred seventy-two million, seven hundred nineteen thousand, five hundred nineteen".

Divisors: 1 13 10949 142337 982687 12774931 10759439963 139872719519