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23321310323140 = 2259712021293981
BaseRepresentation
bin1010100110101111010100…
…11010101110000111000100
310001120111101012210101112101
411103113222122232013010
511024044020420320030
6121333355001001444
74624623544662334
oct523275232560704
9101514335711471
1023321310323140
11748156a768215
1227479ab783284
13100226192aaab
145a8a865c90c4
152a6992a837ca
hex1535ea6ae1c4

23321310323140 has 24 divisors (see below), whose sum is σ = 49479646029912. Its totient is φ = 9232353776640.

The previous prime is 23321310323131. The next prime is 23321310323141. The reversal of 23321310323140 is 4132301312332.

It can be written as a sum of positive squares in 4 ways, for example, as 1366387993476 + 21954922329664 = 1168926^2 + 4685608^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23321310323099 and 23321310323108.

It is not an unprimeable number, because it can be changed into a prime (23321310323141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6010645051 + ... + 6010648930.

It is an arithmetic number, because the mean of its divisors is an integer number (2061651917913).

Almost surely, 223321310323140 is an apocalyptic number.

23321310323140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321310323140 is an abundant number, since it is smaller than the sum of its proper divisors (26158335706772).

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

23321310323140 is a wasteful number, since it uses less digits than its factorization.

23321310323140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12021294087 (or 12021294085 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 23321310323140 its reverse (4132301312332), we get a palindrome (27453611635472).

The spelling of 23321310323140 in words is "twenty-three trillion, three hundred twenty-one billion, three hundred ten million, three hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 12021293981 24042587962 48085175924 60106469905 120212939810 240425879620 1166065516157 2332131032314 4664262064628 5830327580785 11660655161570 23321310323140