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20013232131210 = 235667107737707
BaseRepresentation
bin1001000110011101100011…
…00101111000110010001010
32121212020122120001102021110
410203032301211320302022
510110344044411144320
6110321541340351150
74133623356206613
oct443166145706212
977766576042243
1020013232131210
11641662288106a
1222b2846b454b6
13b223167aca86
144d2907770c0a
1524a8cb88c5e0
hex1233b1978c8a

20013232131210 has 16 divisors (see below), whose sum is σ = 48031757114976. Its totient is φ = 5336861901648.

The previous prime is 20013232131149. The next prime is 20013232131227. The reversal of 20013232131210 is 1213123231002.

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, 333553868824 + ... + 333553868883.

It is an arithmetic number, because the mean of its divisors is an integer number (3001984819686).

Almost surely, 220013232131210 is an apocalyptic number.

20013232131210 is an abundant number, since it is smaller than the sum of its proper divisors (28018524983766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20013232131210 is a wasteful number, since it uses less digits than its factorization.

20013232131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667107737717.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20013232131210 its reverse (1213123231002), we get a palindrome (21226355362212).

The spelling of 20013232131210 in words is "twenty trillion, thirteen billion, two hundred thirty-two million, one hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 667107737707 1334215475414 2001323213121 3335538688535 4002646426242 6671077377070 10006616065605 20013232131210