Search a number
-
+
3213123021132 = 223267760251761
BaseRepresentation
bin101110110000011101000…
…011100110100101001100
3102101011122001211111200020
4232300131003212211030
5410120433443134012
610500031025302140
7451066120021653
oct56603503464514
912334561744606
103213123021132
1110297501a7992
1243a884494950
131a3cc4864b2b
14b1731c0819a
15588a9d1aa8c
hex2ec1d0e694c

3213123021132 has 12 divisors (see below), whose sum is σ = 7497287049336. Its totient is φ = 1071041007040.

The previous prime is 3213123021131. The next prime is 3213123021179. The reversal of 3213123021132 is 2311203213123.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×32131230211322 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3213123021131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133880125869 + ... + 133880125892.

It is an arithmetic number, because the mean of its divisors is an integer number (624773920778).

Almost surely, 23213123021132 is an apocalyptic number.

It is an amenable number.

3213123021132 is an abundant number, since it is smaller than the sum of its proper divisors (4284164028204).

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

3213123021132 is a wasteful number, since it uses less digits than its factorization.

3213123021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267760251768 (or 267760251766 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3213123021132 its reverse (2311203213123), we get a palindrome (5524326234255).

The spelling of 3213123021132 in words is "three trillion, two hundred thirteen billion, one hundred twenty-three million, twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 267760251761 535520503522 803280755283 1071041007044 1606561510566 3213123021132