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30842212450 = 2527701125707
BaseRepresentation
bin11100101110010101…
…101101000001100010
32221121110001201122211
4130232111231001202
51001131101244300
622100235352334
72141204323510
oct345625550142
987543051584
1030842212450
1112097696785
125b88bb26aa
132ba6a0786a
1416c82414b0
15c07a3d4ba
hex72e56d062

30842212450 has 48 divisors (see below), whose sum is σ = 65655779904. Its totient is φ = 10559304000.

The previous prime is 30842212409. The next prime is 30842212451. The reversal of 30842212450 is 5421224803.

It is not an unprimeable number, because it can be changed into a prime (30842212451) 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 23 ways as a sum of consecutive naturals, for example, 182497 + ... + 308203.

It is an arithmetic number, because the mean of its divisors is an integer number (1367828748).

Almost surely, 230842212450 is an apocalyptic number.

30842212450 is an abundant number, since it is smaller than the sum of its proper divisors (34813567454).

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

30842212450 is a wasteful number, since it uses less digits than its factorization.

30842212450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126427 (or 126422 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 30842212450 in words is "thirty billion, eight hundred forty-two million, two hundred twelve thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 701 1402 3505 4907 7010 9814 17525 24535 35050 49070 122675 125707 245350 251414 628535 879949 1257070 1759898 3142675 4399745 6285350 8799490 21998725 43997450 88120607 176241214 440603035 616844249 881206070 1233688498 2203015175 3084221245 4406030350 6168442490 15421106225 30842212450