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10820425028 = 2273413113227
BaseRepresentation
bin10100001001111001…
…01001010101000100
31000221002112112200112
422010330221111010
5134130012100103
64545411132152
7532066044440
oct120474512504
930832475615
1010820425028
114652936526
12211b8a4058
13103597207a
147490c7820
15434e1bcd8
hex284f29544

10820425028 has 24 divisors (see below), whose sum is σ = 21647381952. Its totient is φ = 4635925344.

The previous prime is 10820425009. The next prime is 10820425079. The reversal of 10820425028 is 82052402801.

It is a junction number, because it is equal to n+sod(n) for n = 10820424985 and 10820425003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38951 + ... + 152177.

It is an arithmetic number, because the mean of its divisors is an integer number (901974248).

Almost surely, 210820425028 is an apocalyptic number.

It is an amenable number.

10820425028 is an abundant number, since it is smaller than the sum of its proper divisors (10826956924).

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

10820425028 is a wasteful number, since it uses less digits than its factorization.

10820425028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116651 (or 116649 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

Adding to 10820425028 its reverse (82052402801), we get a palindrome (92872827829).

The spelling of 10820425028 in words is "ten billion, eight hundred twenty million, four hundred twenty-five thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 3413 6826 13652 23891 47782 95564 113227 226454 452908 792589 1585178 3170356 386443751 772887502 1545775004 2705106257 5410212514 10820425028