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49902889152 = 263259910881
BaseRepresentation
bin101110011110011100…
…011010100011000000
311202210211002102120210
4232132130122203000
51304200114423102
634531452034120
73414432362514
oct563634324300
9152724072523
1049902889152
111a188975256
129808462940
1349238cb29c
1425b5892144
1514710b136c
hexb9e71a8c0

49902889152 has 28 divisors (see below), whose sum is σ = 132034728056. Its totient is φ = 16634296320.

The previous prime is 49902889151. The next prime is 49902889171. The reversal of 49902889152 is 25198820994.

It is a junction number, because it is equal to n+sod(n) for n = 49902889092 and 49902889101.

It is not an unprimeable number, because it can be changed into a prime (49902889151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129955249 + ... + 129955632.

It is an arithmetic number, because the mean of its divisors is an integer number (4715526002).

Almost surely, 249902889152 is an apocalyptic number.

It is an amenable number.

49902889152 is an abundant number, since it is smaller than the sum of its proper divisors (82131838904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49902889152 is a wasteful number, since it uses less digits than its factorization.

49902889152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259910896 (or 259910886 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 49902889152 in words is "forty-nine billion, nine hundred two million, eight hundred eighty-nine thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 259910881 519821762 779732643 1039643524 1559465286 2079287048 3118930572 4158574096 6237861144 8317148192 12475722288 16634296384 24951444576 49902889152