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30856001050 = 252797190793
BaseRepresentation
bin11100101111001010…
…010011011000011010
32221122102000021001201
4130233022103120122
51001143114013200
622101451104414
72141432452510
oct345712233032
987572007051
1030856001050
11120a4454316
125b9174210a
132ba98249b4
1416c9dd04b0
15c08d63c6a
hex72f29361a

30856001050 has 48 divisors (see below), whose sum is σ = 65659315392. Its totient is φ = 10568188800.

The previous prime is 30856001039. The next prime is 30856001069. The reversal of 30856001050 is 5010065803.

It is a super-3 number, since 3×308560010503 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294454 + ... + 385246.

It is an arithmetic number, because the mean of its divisors is an integer number (1367902404).

Almost surely, 230856001050 is an apocalyptic number.

30856001050 is an abundant number, since it is smaller than the sum of its proper divisors (34803314342).

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

30856001050 is a wasteful number, since it uses less digits than its factorization.

30856001050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91783 (or 91778 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 30856001050 its reverse (5010065803), we get a palindrome (35866066853).

The spelling of 30856001050 in words is "thirty billion, eight hundred fifty-six million, one thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 971 1942 4855 6797 9710 13594 24275 33985 48550 67970 90793 169925 181586 339850 453965 635551 907930 1271102 2269825 3177755 4539650 6355510 15888775 31777550 88160003 176320006 440800015 617120021 881600030 1234240042 2204000075 3085600105 4408000150 6171200210 15428000525 30856001050