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49251757071 = 3112715507297
BaseRepresentation
bin101101110111101000…
…100010110000001111
311201010102212111021210
4231313220202300033
51301331422211241
634343112025503
73362335012326
oct556750426017
9151112774253
1049251757071
1119984373070
129666392293
13484ba3bc2a
1425531d90bd
151433d43316
hexb77a22c0f

49251757071 has 16 divisors (see below), whose sum is σ = 71903282688. Its totient is φ = 29739398400.

The previous prime is 49251756973. The next prime is 49251757073. The reversal of 49251757071 is 17075715294.

It is not a de Polignac number, because 49251757071 - 214 = 49251740687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49251757071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49251757073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2744706 + ... + 2762591.

It is an arithmetic number, because the mean of its divisors is an integer number (4493955168).

Almost surely, 249251757071 is an apocalyptic number.

49251757071 is a deficient number, since it is larger than the sum of its proper divisors (22651525617).

49251757071 is a wasteful number, since it uses less digits than its factorization.

49251757071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507582.

The product of its (nonzero) digits is 617400, while the sum is 48.

The spelling of 49251757071 in words is "forty-nine billion, two hundred fifty-one million, seven hundred fifty-seven thousand, seventy-one".

Divisors: 1 3 11 33 271 813 2981 8943 5507297 16521891 60580267 181740801 1492477487 4477432461 16417252357 49251757071