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30877048378 = 2112127591109
BaseRepresentation
bin11100110000011010…
…100101111000111010
32221200212121120120101
4130300122211320322
51001214011022003
622103522150014
72142106403131
oct346032457072
987625546511
1030877048378
111210531a500
125b987b230a
132bb0cb3a37
1416ccb0c918
15c0ab2011d
hex7306a5e3a

30877048378 has 12 divisors (see below), whose sum is σ = 50908852890. Its totient is φ = 14035021880.

The previous prime is 30877048343. The next prime is 30877048387. The reversal of 30877048378 is 87384077803.

It can be written as a sum of positive squares in only one way, i.e., 27127078209 + 3749970169 = 164703^2 + 61237^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63795313 + ... + 63795796.

Almost surely, 230877048378 is an apocalyptic number.

30877048378 is a deficient number, since it is larger than the sum of its proper divisors (20031804512).

30877048378 is a wasteful number, since it uses less digits than its factorization.

30877048378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127591133 (or 127591122 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 30877048378 in words is "thirty billion, eight hundred seventy-seven million, forty-eight thousand, three hundred seventy-eight".

Divisors: 1 2 11 22 121 242 127591109 255182218 1403502199 2807004398 15438524189 30877048378