Search a number
-
+
312111045430 = 2555756034299
BaseRepresentation
bin1001000101010110100…
…01001001101100110110
31002211121112222212210021
410202223101021230312
520103200411423210
6355214250515354
731356255053602
oct4425321115466
91084545885707
10312111045430
11110402603a58
12505a5435b5a
132357cca3592
141116b7c8502
1581baa66bda
hex48ab449b36

312111045430 has 16 divisors (see below), whose sum is σ = 562808509200. Its totient is φ = 124620278752.

The previous prime is 312111045377. The next prime is 312111045473. The reversal of 312111045430 is 34540111213.

It is a junction number, because it is equal to n+sod(n) for n = 312111045395 and 312111045404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28011580 + ... + 28022719.

It is an arithmetic number, because the mean of its divisors is an integer number (35175531825).

Almost surely, 2312111045430 is an apocalyptic number.

312111045430 is a deficient number, since it is larger than the sum of its proper divisors (250697463770).

312111045430 is a wasteful number, since it uses less digits than its factorization.

312111045430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56034863.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 312111045430 its reverse (34540111213), we get a palindrome (346651156643).

The spelling of 312111045430 in words is "three hundred twelve billion, one hundred eleven million, forty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 557 1114 2785 5570 56034299 112068598 280171495 560342990 31211104543 62422209086 156055522715 312111045430