Search a number
-
+
12361357204231 = 73156964779743
BaseRepresentation
bin1011001111100001101001…
…0011100001101100000111
31121202201211020102001111011
42303320122103201230013
53110012024421013411
642142421253023051
72414035645404250
oct263703223415407
947681736361434
1012361357204231
113a36470977852
121477869624a87
136b88951c1ba9
1430a415945b27
15166832071c21
hexb3e1a4e1b07

12361357204231 has 8 divisors (see below), whose sum is σ = 14582983614464. Its totient is φ = 10253660353560.

The previous prime is 12361357204187. The next prime is 12361357204253. The reversal of 12361357204231 is 13240275316321.

12361357204231 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 12361357204231 - 29 = 12361357203719 is a prime.

It is a super-3 number, since 3×123613572042313 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361357204631) 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, 28482389655 + ... + 28482390088.

It is an arithmetic number, because the mean of its divisors is an integer number (1822872951808).

Almost surely, 212361357204231 is an apocalyptic number.

12361357204231 is a deficient number, since it is larger than the sum of its proper divisors (2221626410233).

12361357204231 is an equidigital number, since it uses as much as digits as its factorization.

12361357204231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56964779781.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 12361357204231 in words is "twelve trillion, three hundred sixty-one billion, three hundred fifty-seven million, two hundred four thousand, two hundred thirty-one".

Divisors: 1 7 31 217 56964779743 398753458201 1765908172033 12361357204231