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80800245904 = 2472924876923
BaseRepresentation
bin100101101000000010…
…0011110100010010000
321201120002220210000011
41023100010132202100
52310434330332104
6101041421404304
75560206521020
oct1132004364220
9251502823004
1080800245904
11312a36a5734
12137aba09694
137808b728c1
143ca7169a80
15217d893904
hex12d011e890

80800245904 has 40 divisors (see below), whose sum is σ = 185084314560. Its totient is φ = 33434583168.

The previous prime is 80800245893. The next prime is 80800245907. The reversal of 80800245904 is 40954200808.

It is not an unprimeable number, because it can be changed into a prime (80800245907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12435214 + ... + 12441709.

It is an arithmetic number, because the mean of its divisors is an integer number (4627107864).

Almost surely, 280800245904 is an apocalyptic number.

It is an amenable number.

80800245904 is an abundant number, since it is smaller than the sum of its proper divisors (104284068656).

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

80800245904 is a wasteful number, since it uses less digits than its factorization.

80800245904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24876967 (or 24876961 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 80800245904 in words is "eighty billion, eight hundred million, two hundred forty-five thousand, nine hundred four".

Divisors: 1 2 4 7 8 14 16 28 29 56 58 112 116 203 232 406 464 812 1624 3248 24876923 49753846 99507692 174138461 199015384 348276922 398030768 696553844 721430767 1393107688 1442861534 2786215376 2885723068 5050015369 5771446136 10100030738 11542892272 20200061476 40400122952 80800245904