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50495994939 = 3135921945239
BaseRepresentation
bin101111000001110010…
…111011110000111011
311211100011010022202210
4233001302323300323
51311403433314224
635110400230203
73435223606065
oct570162736073
9154304108683
1050495994939
111a462744425
12995300b363
1349b9751b60
142630562735
1514a81bb429
hexbc1cbbc3b

50495994939 has 16 divisors (see below), whose sum is σ = 73736006400. Its totient is φ = 30547771296.

The previous prime is 50495994929. The next prime is 50495994947. The reversal of 50495994939 is 93949959405.

It is a happy number.

It is not a de Polignac number, because 50495994939 - 29 = 50495994427 is a prime.

It is a super-2 number, since 2×504959949392 (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 50495994939.

It is not an unprimeable number, because it can be changed into a prime (50495994929) 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, 10970319 + ... + 10974920.

It is an arithmetic number, because the mean of its divisors is an integer number (4608500400).

Almost surely, 250495994939 is an apocalyptic number.

50495994939 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

50495994939 is a deficient number, since it is larger than the sum of its proper divisors (23240011461).

50495994939 is a wasteful number, since it uses less digits than its factorization.

50495994939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21945314.

The product of its (nonzero) digits is 70858800, while the sum is 66.

The spelling of 50495994939 in words is "fifty billion, four hundred ninety-five million, nine hundred ninety-four thousand, nine hundred thirty-nine".

Divisors: 1 3 13 39 59 177 767 2301 21945239 65835717 285288107 855864321 1294769101 3884307303 16831998313 50495994939