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50005049906 = 2731115219009
BaseRepresentation
bin101110100100100010…
…001000001000110010
311210001221022201210102
4232210202020020302
51304402243044111
634545541432402
73420112624340
oct564442101062
9153057281712
1050005049906
111a230602129
12983670b702
13493bb1a436
1425c5286990
15147a04113b
hexba4888232

50005049906 has 16 divisors (see below), whose sum is σ = 88488199680. Its totient is φ = 20739421440.

The previous prime is 50005049903. The next prime is 50005049911. The reversal of 50005049906 is 60994050005.

It is a super-2 number, since 2×500050499062 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50005049906.

It is not an unprimeable number, because it can be changed into a prime (50005049903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57609071 + ... + 57609938.

It is an arithmetic number, because the mean of its divisors is an integer number (5530512480).

Almost surely, 250005049906 is an apocalyptic number.

50005049906 is a deficient number, since it is larger than the sum of its proper divisors (38483149774).

50005049906 is a wasteful number, since it uses less digits than its factorization.

50005049906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115219049.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 50005049906 in words is "fifty billion, five million, forty-nine thousand, nine hundred six".

Divisors: 1 2 7 14 31 62 217 434 115219009 230438018 806533063 1613066126 3571789279 7143578558 25002524953 50005049906