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2130145420121 = 2923181705551
BaseRepresentation
bin11110111111110110100…
…011111010001101011001
321112122021111102012111022
4132333312203322031121
5234400014211420441
64310324133012225
7306616663215545
oct36776643721531
97478244365438
102130145420121
11751431614234
122a4a05484075
13125b445c32c4
14751573b0a25
153a6239b884b
hex1eff68fa359

2130145420121 has 12 divisors (see below), whose sum is σ = 2277297145344. Its totient is φ = 1990347198000.

The previous prime is 2130145420037. The next prime is 2130145420147. The reversal of 2130145420121 is 1210245410312.

It is a happy number.

It is not a de Polignac number, because 2130145420121 - 218 = 2130145157977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130145420171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40826705 + ... + 40878846.

It is an arithmetic number, because the mean of its divisors is an integer number (189774762112).

Almost surely, 22130145420121 is an apocalyptic number.

It is an amenable number.

2130145420121 is a deficient number, since it is larger than the sum of its proper divisors (147151725223).

2130145420121 is an equidigital number, since it uses as much as digits as its factorization.

2130145420121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81705640 (or 81705611 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 2130145420121 in words is "two trillion, one hundred thirty billion, one hundred forty-five million, four hundred twenty thousand, one hundred twenty-one".

Divisors: 1 29 31 841 899 26071 81705551 2369460979 2532872081 68714368391 73453290349 2130145420121