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49201644923 = 476124171209
BaseRepresentation
bin101101110100101001…
…011000010101111011
311200222221120112100022
4231310221120111323
51301231110114143
634334122001055
73361156036634
oct556451302573
9150887515308
1049201644923
1119959056072
12965164618b
134841544782
14254a6b288b
15142e745268
hexb74a5857b

49201644923 has 16 divisors (see below), whose sum is σ = 51284872320. Its totient is φ = 47168179200.

The previous prime is 49201644901. The next prime is 49201644937. The reversal of 49201644923 is 32944610294.

It is a cyclic number.

It is not a de Polignac number, because 49201644923 - 230 = 48127903099 is a prime.

It is a Smith number, since the sum of its digits (44) 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 not an unprimeable number, because it can be changed into a prime (49201644523) 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, 655343 + ... + 726551.

It is an arithmetic number, because the mean of its divisors is an integer number (3205304520).

Almost surely, 249201644923 is an apocalyptic number.

49201644923 is a deficient number, since it is larger than the sum of its proper divisors (2083227397).

49201644923 is a wasteful number, since it uses less digits than its factorization.

49201644923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71558.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 49201644923 in words is "forty-nine billion, two hundred one million, six hundred forty-four thousand, nine hundred twenty-three".

Divisors: 1 47 61 241 2867 11327 14701 71209 690947 3346823 4343749 17161369 204156203 806584343 1046843509 49201644923