Search a number
-
+
20023131132112 = 241251445695757
BaseRepresentation
bin1001000110101111111111…
…00111100101000011010000
32121220012012102202202200111
410203113333213211003100
510111024333032211422
6110330255514331104
74134423566265553
oct443277747450320
977805172682614
1020023131132112
11641a842581a49
1222b474a129a94
13b23233596a64
144d31a632269a
1524acaa949a77
hex1235ff9e50d0

20023131132112 has 10 divisors (see below), whose sum is σ = 38794816568498. Its totient is φ = 10011565566048.

The previous prime is 20023131132097. The next prime is 20023131132149. The reversal of 20023131132112 is 21123113132002.

It can be written as a sum of positive squares in only one way, i.e., 19606688067136 + 416443064976 = 4427944^2 + 645324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625722847863 + ... + 625722847894.

Almost surely, 220023131132112 is an apocalyptic number.

It is an amenable number.

20023131132112 is a deficient number, since it is larger than the sum of its proper divisors (18771685436386).

20023131132112 is a wasteful number, since it uses less digits than its factorization.

20023131132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251445695765 (or 1251445695759 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20023131132112 its reverse (21123113132002), we get a palindrome (41146244264114).

The spelling of 20023131132112 in words is "twenty trillion, twenty-three billion, one hundred thirty-one million, one hundred thirty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 1251445695757 2502891391514 5005782783028 10011565566056 20023131132112