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80837134485 = 356138791423
BaseRepresentation
bin100101101001001000…
…1001100100010010101
321201122200022220121220
41023102101030202111
52311023301300420
6101045220200553
75561135206632
oct1132221144225
9251580286556
1080837134485
1131312500668
1213800239159
1378136ba173
143cac00d189
152181c2d840
hex12d244c895

80837134485 has 16 divisors (see below), whose sum is σ = 129550424064. Its totient is φ = 43042802112.

The previous prime is 80837134481. The next prime is 80837134603. The reversal of 80837134485 is 58443173808.

It is not a de Polignac number, because 80837134485 - 22 = 80837134481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80837134481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4386517 + ... + 4404906.

It is an arithmetic number, because the mean of its divisors is an integer number (8096901504).

Almost surely, 280837134485 is an apocalyptic number.

It is an amenable number.

80837134485 is a deficient number, since it is larger than the sum of its proper divisors (48713289579).

80837134485 is a wasteful number, since it uses less digits than its factorization.

80837134485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8792044.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 80837134485 in words is "eighty billion, eight hundred thirty-seven million, one hundred thirty-four thousand, four hundred eighty-five".

Divisors: 1 3 5 15 613 1839 3065 9195 8791423 26374269 43957115 131871345 5389142299 16167426897 26945711495 80837134485