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131021232441004 = 22113683128812821
BaseRepresentation
bin11101110010100111000010…
…000001001000011010101100
3122011220111200222000110201201
4131302213002001020122230
5114133122441001103004
61142354153453215244
736411654165216043
oct3562470201103254
9564814628013651
10131021232441004
1138824879aa6324
1212840961791524
13581533166ab89
14244d66646355a
151023269d736a4
hex7729c20486ac

131021232441004 has 12 divisors (see below), whose sum is σ = 229287366419328. Its totient is φ = 65510556321200.

The previous prime is 131021232440897. The next prime is 131021232441007. The reversal of 131021232441004 is 400144232120131.

It is a happy number.

131021232441004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (131021232441007) 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, 9859087 + ... + 18953734.

It is an arithmetic number, because the mean of its divisors is an integer number (19107280534944).

Almost surely, 2131021232441004 is an apocalyptic number.

It is an amenable number.

131021232441004 is a deficient number, since it is larger than the sum of its proper divisors (98266133978324).

131021232441004 is a wasteful number, since it uses less digits than its factorization.

131021232441004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29949656 (or 29949654 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131021232441004 its reverse (400144232120131), we get a palindrome (531165464561135).

The spelling of 131021232441004 in words is "one hundred thirty-one trillion, twenty-one billion, two hundred thirty-two million, four hundred forty-one thousand, four".

Divisors: 1 2 4 1136831 2273662 4547324 28812821 57625642 115251284 32755308110251 65510616220502 131021232441004