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80604440402069 = 94070385685323
BaseRepresentation
bin10010010100111100101111…
…000010011001100010010101
3101120101201011001002212122002
4102110330233002121202111
541031110343220331234
6443233100240045045
722656323113555103
oct2224745702314225
9346351131085562
1080604440402069
1123757173287511
129059820003785
1335c8c7372a26c
1415c93c086cc73
1594ba8e52127e
hex494f2f099895

80604440402069 has 4 divisors (see below), whose sum is σ = 80604527028096. Its totient is φ = 80604353776044.

The previous prime is 80604440402063. The next prime is 80604440402183. The reversal of 80604440402069 is 96020404440608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80604440402069 - 232 = 80600145434773 is a prime.

It is a super-2 number, since 2×806044404020692 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80604440402063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41901959 + ... + 43783364.

It is an arithmetic number, because the mean of its divisors is an integer number (20151131757024).

Almost surely, 280604440402069 is an apocalyptic number.

It is an amenable number.

80604440402069 is a deficient number, since it is larger than the sum of its proper divisors (86626027).

80604440402069 is an equidigital number, since it uses as much as digits as its factorization.

80604440402069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86626026.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 80604440402069 in words is "eighty trillion, six hundred four billion, four hundred forty million, four hundred two thousand, sixty-nine".

Divisors: 1 940703 85685323 80604440402069