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49462129989 = 3239863137867
BaseRepresentation
bin101110000100001011…
…000011010101000101
311201200002201112200100
4232010023003111011
51302244301124424
634420025034313
73400501111416
oct560413032505
9151602645610
1049462129989
1119a820a0388
129704925999
1348834b874c
14257311b80d
15144754adc9
hexb842c3545

49462129989 has 12 divisors (see below), whose sum is σ = 71447609376. Its totient is φ = 32973686952.

The previous prime is 49462129987. The next prime is 49462130023. The reversal of 49462129989 is 98992126494.

49462129989 is a `hidden beast` number, since 4 + 9 + 462 + 1 + 2 + 99 + 89 = 666.

It is not a de Polignac number, because 49462129989 - 21 = 49462129987 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49462129987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289834 + ... + 427700.

It is an arithmetic number, because the mean of its divisors is an integer number (5953967448).

Almost surely, 249462129989 is an apocalyptic number.

It is an amenable number.

49462129989 is a deficient number, since it is larger than the sum of its proper divisors (21985479387).

49462129989 is a wasteful number, since it uses less digits than its factorization.

49462129989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177736 (or 177733 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The spelling of 49462129989 in words is "forty-nine billion, four hundred sixty-two million, one hundred twenty-nine thousand, nine hundred eighty-nine".

Divisors: 1 3 9 39863 119589 137867 358767 413601 1240803 5495792221 16487376663 49462129989