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12877813050 = 235285852087
BaseRepresentation
bin10111111111001001…
…11101010100111010
31020020110212200110220
423333210331110322
5202333210004200
65525504120510
7634060414314
oct137744752472
936213780426
1012877813050
11550920a603
1225b4906136
1312a2c9052b
148a24407b4
155058684a0
hex2ff93d53a

12877813050 has 24 divisors (see below), whose sum is σ = 31936976736. Its totient is φ = 3434083440.

The previous prime is 12877813019. The next prime is 12877813063. The reversal of 12877813050 is 5031877821.

It is a junction number, because it is equal to n+sod(n) for n = 12877812993 and 12877813011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42925894 + ... + 42926193.

It is an arithmetic number, because the mean of its divisors is an integer number (1330707364).

Almost surely, 212877813050 is an apocalyptic number.

12877813050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12877813050 is an abundant number, since it is smaller than the sum of its proper divisors (19059163686).

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

12877813050 is a wasteful number, since it uses less digits than its factorization.

12877813050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85852102 (or 85852097 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 12877813050 in words is "twelve billion, eight hundred seventy-seven million, eight hundred thirteen thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 85852087 171704174 257556261 429260435 515112522 858520870 1287781305 2146302175 2575562610 4292604350 6438906525 12877813050