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49557044811 = 3174572126273
BaseRepresentation
bin101110001001110101…
…000111111001001011
311201220201022201100010
4232021311013321023
51302443100413221
634433255243003
73403032634131
oct561165077113
9151821281303
1049557044811
111a02072928a
129730679463
13489a06b771
142581987751
151450a48c76
hexb89d47e4b

49557044811 has 16 divisors (see below), whose sum is σ = 70116011424. Its totient is φ = 31026561024.

The previous prime is 49557044809. The next prime is 49557044833. The reversal of 49557044811 is 11844075594.

It is not a de Polignac number, because 49557044811 - 21 = 49557044809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49557044011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039830 + ... + 1086443.

It is an arithmetic number, because the mean of its divisors is an integer number (4382250714).

Almost surely, 249557044811 is an apocalyptic number.

49557044811 is a deficient number, since it is larger than the sum of its proper divisors (20558966613).

49557044811 is a wasteful number, since it uses less digits than its factorization.

49557044811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126750.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 49557044811 in words is "forty-nine billion, five hundred fifty-seven million, forty-four thousand, eight hundred eleven".

Divisors: 1 3 17 51 457 1371 7769 23307 2126273 6378819 36146641 108439923 971706761 2915120283 16519014937 49557044811