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129637340371 = 7117577222199
BaseRepresentation
bin111100010111011111…
…1001101010011010011
3110101121122112020010201
41320232333031103103
54110444124342441
6135315442040031
712236351132440
oct1705677152323
9411548466121
10129637340371
114aa84998630
122115b349017
13c2bca08336
1463bb2649c7
15358b0c8c31
hex1e2efcd4d3

129637340371 has 16 divisors (see below), whose sum is σ = 161647833600. Its totient is φ = 101002322880.

The previous prime is 129637340269. The next prime is 129637340381. The reversal of 129637340371 is 173043736921.

It is a cyclic number.

It is not a de Polignac number, because 129637340371 - 227 = 129503122643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129637340381) 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 15 ways as a sum of consecutive naturals, for example, 472330 + ... + 694528.

It is an arithmetic number, because the mean of its divisors is an integer number (10102989600).

Almost surely, 2129637340371 is an apocalyptic number.

129637340371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

129637340371 is a deficient number, since it is larger than the sum of its proper divisors (32010493229).

129637340371 is a wasteful number, since it uses less digits than its factorization.

129637340371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229794.

The product of its (nonzero) digits is 571536, while the sum is 46.

The spelling of 129637340371 in words is "one hundred twenty-nine billion, six hundred thirty-seven million, three hundred forty thousand, three hundred seventy-one".

Divisors: 1 7 11 77 7577 53039 83347 222199 583429 1555393 2444189 17109323 1683601823 11785212761 18519620053 129637340371