Search a number
-
+
12731927756195 = 517149787385367
BaseRepresentation
bin1011100101000110001000…
…0001111111110110100011
31200002011022221021120021002
42321101202001333312203
53132044442001144240
643024544502022215
72452565016206234
oct271214201776643
950064287246232
1012731927756195
11406964233026a
121517648a1796b
1371480072304b
1432032b37d08b
151712bee93d15
hexb946207fda3

12731927756195 has 8 divisors (see below), whose sum is σ = 16177037619744. Its totient is φ = 9586392663424.

The previous prime is 12731927756147. The next prime is 12731927756281. The reversal of 12731927756195 is 59165772913721.

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 12731927756195 - 212 = 12731927752099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74893692599 + ... + 74893692768.

It is an arithmetic number, because the mean of its divisors is an integer number (2022129702468).

Almost surely, 212731927756195 is an apocalyptic number.

12731927756195 is a deficient number, since it is larger than the sum of its proper divisors (3445109863549).

12731927756195 is a wasteful number, since it uses less digits than its factorization.

12731927756195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149787385389.

The product of its digits is 50009400, while the sum is 65.

The spelling of 12731927756195 in words is "twelve trillion, seven hundred thirty-one billion, nine hundred twenty-seven million, seven hundred fifty-six thousand, one hundred ninety-five".

Divisors: 1 5 17 85 149787385367 748936926835 2546385551239 12731927756195