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131044250443505 = 575610166738943
BaseRepresentation
bin11101110010111100011101…
…111111110101111011110001
3122011222201010010110011002212
4131302330131333311323301
5114134012111103143010
61142412521513021505
736413430455055050
oct3562743577657361
9564881103404085
10131044250443505
1138833611071293
12128453063b4895
13581755c3911b9
14245080b4ba397
151023b65a3c505
hex772f1dff5ef1

131044250443505 has 16 divisors (see below), whose sum is σ = 179721035341824. Its totient is φ = 89857311508800.

The previous prime is 131044250443481. The next prime is 131044250443511. The reversal of 131044250443505 is 505344052440131.

It is not a de Polignac number, because 131044250443505 - 212 = 131044250439409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31405937 + ... + 35333006.

It is an arithmetic number, because the mean of its divisors is an integer number (11232564708864).

Almost surely, 2131044250443505 is an apocalyptic number.

It is an amenable number.

131044250443505 is a deficient number, since it is larger than the sum of its proper divisors (48676784898319).

131044250443505 is an equidigital number, since it uses as much as digits as its factorization.

131044250443505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66795056.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 131044250443505 in words is "one hundred thirty-one trillion, forty-four billion, two hundred fifty million, four hundred forty-three thousand, five hundred five".

Divisors: 1 5 7 35 56101 280505 392707 1963535 66738943 333694715 467172601 2335863005 3744121441243 18720607206215 26208850088701 131044250443505