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259137000149 = 1877138059137
BaseRepresentation
bin1111000101010111000…
…1001101001011010101
3220202212200222120000012
43301111301031023111
513221203033001044
6315013525130005
724502441105106
oct3612561151325
9822780876005
10259137000149
119a999098745
1242280559905
131b58a038c61
14c7840ca3ad
156b1a05859e
hex3c55c4d2d5

259137000149 has 4 divisors (see below), whose sum is σ = 259275061164. Its totient is φ = 258998939136.

The previous prime is 259137000127. The next prime is 259137000181. The reversal of 259137000149 is 941000731952.

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

It can be written as a sum of positive squares in 2 ways, for example, as 159047023249 + 100089976900 = 398807^2 + 316370^2 .

It is a cyclic number.

It is not a de Polignac number, because 259137000149 - 216 = 259136934613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259137000049) 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, 69027692 + ... + 69031445.

It is an arithmetic number, because the mean of its divisors is an integer number (64818765291).

Almost surely, 2259137000149 is an apocalyptic number.

It is an amenable number.

259137000149 is a deficient number, since it is larger than the sum of its proper divisors (138061015).

259137000149 is a wasteful number, since it uses less digits than its factorization.

259137000149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138061014.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 259137000149 in words is "two hundred fifty-nine billion, one hundred thirty-seven million, one hundred forty-nine", and thus it is an aban number.

Divisors: 1 1877 138059137 259137000149