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80192098025 = 5213246744917
BaseRepresentation
bin100101010101111010…
…0100100111011101001
321122222201120122221122
41022223310210323221
52303213134114100
6100501214545025
75536143405104
oct1125364447351
9248881518848
1080192098025
1131011392186
1213660208175
13773cb834a0
143c4a4a173b
1521452b6985
hex12abd24ee9

80192098025 has 12 divisors (see below), whose sum is σ = 107087294412. Its totient is φ = 59218779840.

The previous prime is 80192097983. The next prime is 80192098027. The reversal of 80192098025 is 52089029108.

It can be written as a sum of positive squares in 6 ways, for example, as 31568760976 + 48623337049 = 177676^2 + 220507^2 .

It is not a de Polignac number, because 80192098025 - 212 = 80192093929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80192098027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123372134 + ... + 123372783.

It is an arithmetic number, because the mean of its divisors is an integer number (8923941201).

Almost surely, 280192098025 is an apocalyptic number.

It is an amenable number.

80192098025 is a deficient number, since it is larger than the sum of its proper divisors (26895196387).

80192098025 is a wasteful number, since it uses less digits than its factorization.

80192098025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246744940 (or 246744935 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 80192098025 in words is "eighty billion, one hundred ninety-two million, ninety-eight thousand, twenty-five".

Divisors: 1 5 13 25 65 325 246744917 1233724585 3207683921 6168622925 16038419605 80192098025