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2136732907 = 17125690171
BaseRepresentation
bin111111101011011…
…1111010011101011
312111220122021111211
41333112333103223
513334000423112
6552005333551
7103643634001
oct17726772353
95456567454
102136732907
119a7148071
124b77072b7
132808ac5ca
14163acca71
15c78c10a7
hex7f5bf4eb

2136732907 has 4 divisors (see below), whose sum is σ = 2262423096. Its totient is φ = 2011042720.

The previous prime is 2136732893. The next prime is 2136732929. The reversal of 2136732907 is 7092376312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2136732907 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2136732907.

It is not an unprimeable number, because it can be changed into a prime (2136732947) 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 3 ways as a sum of consecutive naturals, for example, 62845069 + ... + 62845102.

It is an arithmetic number, because the mean of its divisors is an integer number (565605774).

Almost surely, 22136732907 is an apocalyptic number.

2136732907 is a deficient number, since it is larger than the sum of its proper divisors (125690189).

2136732907 is a wasteful number, since it uses less digits than its factorization.

2136732907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125690188.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 2136732907 is about 46224.8083500624. The cubic root of 2136732907 is about 1288.0026191307.

The spelling of 2136732907 in words is "two billion, one hundred thirty-six million, seven hundred thirty-two thousand, nine hundred seven".

Divisors: 1 17 125690171 2136732907