Search a number
-
+
83131331113153 = 614215596757839
BaseRepresentation
bin10010111001101110000101…
…011101011111000011000001
3101220100021111101210002200001
4102321232011131133003001
541344010431231110103
6452450001205400001
723340016611325231
oct2271560535370301
9356307441702601
1083131331113153
1124540888202a64
1293a74aa709001
13375033527645b
141675813a55cc1
15992683cca01d
hex4b9b8575f0c1

83131331113153 has 16 divisors (see below), whose sum is σ = 84697816135680. Its totient is φ = 81571430001600.

The previous prime is 83131331113123. The next prime is 83131331113163. The reversal of 83131331113153 is 35131113313138.

It is a cyclic number.

It is not a de Polignac number, because 83131331113153 - 229 = 83130794242241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83131331113123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437259608 + ... + 1437317446.

It is an arithmetic number, because the mean of its divisors is an integer number (5293613508480).

Almost surely, 283131331113153 is an apocalyptic number.

It is an amenable number.

83131331113153 is a deficient number, since it is larger than the sum of its proper divisors (1566485022527).

83131331113153 is a wasteful number, since it uses less digits than its factorization.

83131331113153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114288.

The product of its digits is 29160, while the sum is 37.

The spelling of 83131331113153 in words is "eighty-three trillion, one hundred thirty-one billion, three hundred thirty-one million, one hundred thirteen thousand, one hundred fifty-three".

Divisors: 1 61 421 25681 55967 57839 3413987 3528179 23562107 24350219 1437288527 1485363359 3237075313 197461594093 1362808706773 83131331113153