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80604870357 = 31118671308287
BaseRepresentation
bin100101100010001101…
…1001011011011010101
321201001111021200010210
41023010123023123111
52310034321322412
6101010202040033
75552315044014
oct1130433133325
9251044250123
1080604870357
1131203391140
12137564a9019
1377a754747b
143c8922ca7b
15216b64e83c
hex12c46cb6d5

80604870357 has 16 divisors (see below), whose sum is σ = 117306335232. Its totient is φ = 48825233520.

The previous prime is 80604870347. The next prime is 80604870361. The reversal of 80604870357 is 75307840608.

It is not a de Polignac number, because 80604870357 - 26 = 80604870293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80604870347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592533 + ... + 715754.

It is an arithmetic number, because the mean of its divisors is an integer number (7331645952).

Almost surely, 280604870357 is an apocalyptic number.

It is an amenable number.

80604870357 is a deficient number, since it is larger than the sum of its proper divisors (36701464875).

80604870357 is a wasteful number, since it uses less digits than its factorization.

80604870357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310168.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 80604870357 in words is "eighty billion, six hundred four million, eight hundred seventy thousand, three hundred fifty-seven".

Divisors: 1 3 11 33 1867 5601 20537 61611 1308287 3924861 14391157 43173471 2442571829 7327715487 26868290119 80604870357