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12519077099 = 67186851897
BaseRepresentation
bin10111010100011000…
…11111010011101011
31012022110212000021012
423222030133103223
5201114340431344
65430131134135
7622143254024
oct135214372353
935273760235
1012519077099
115344768a11
12251474434b
131246868c39
1486a93bc4b
154d410629e
hex2ea31f4eb

12519077099 has 4 divisors (see below), whose sum is σ = 12705929064. Its totient is φ = 12332225136.

The previous prime is 12519077093. The next prime is 12519077141. The reversal of 12519077099 is 99077091521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99077091521 = 791254140399.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12519077099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12519077093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93425882 + ... + 93426015.

It is an arithmetic number, because the mean of its divisors is an integer number (3176482266).

Almost surely, 212519077099 is an apocalyptic number.

12519077099 is a deficient number, since it is larger than the sum of its proper divisors (186851965).

12519077099 is an equidigital number, since it uses as much as digits as its factorization.

12519077099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186851964.

The product of its (nonzero) digits is 357210, while the sum is 50.

The spelling of 12519077099 in words is "twelve billion, five hundred nineteen million, seventy-seven thousand, ninety-nine".

Divisors: 1 67 186851897 12519077099