Search a number
-
+
3126305555431 = 23643211393979
BaseRepresentation
bin101101011111100110010…
…101010000001111100111
3102001212112121110021212121
4231133212111100033213
5402210133210233211
610352112133530411
7441603523523032
oct55374625201747
912055477407777
103126305555431
11aa5949a8aa33
12425a954a3a07
13198a6a1a7656
14ab45786a019
15564c808c271
hex2d7e65503e7

3126305555431 has 8 divisors (see below), whose sum is σ = 3267305354880. Its totient is φ = 2985728545272.

The previous prime is 3126305555423. The next prime is 3126305555459. The reversal of 3126305555431 is 1345555036213.

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 3126305555431 - 23 = 3126305555423 is a prime.

It is a super-2 number, since 2×31263055554312 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126305555531) 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, 105682201 + ... + 105711778.

It is an arithmetic number, because the mean of its divisors is an integer number (408413169360).

Almost surely, 23126305555431 is an apocalyptic number.

3126305555431 is a deficient number, since it is larger than the sum of its proper divisors (140999799449).

3126305555431 is a wasteful number, since it uses less digits than its factorization.

3126305555431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211394645.

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 3126305555431 in words is "three trillion, one hundred twenty-six billion, three hundred five million, five hundred fifty-five thousand, four hundred thirty-one".

Divisors: 1 23 643 14789 211393979 4862061517 135926328497 3126305555431