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80948922355 = 57171311038539
BaseRepresentation
bin100101101100011101…
…1101000011111110011
321201221110200022202101
41023120323220133303
52311240411003410
6101104252201231
75563663326040
oct1133073503763
9251843608671
1080948922355
113136a613534
1213831769217
1378308ca232
143cbcbcc1c7
15218b960d3a
hex12d8ee87f3

80948922355 has 32 divisors (see below), whose sum is σ = 118443409920. Its totient is φ = 51843816960.

The previous prime is 80948922283. The next prime is 80948922361. The reversal of 80948922355 is 55322984908.

It is not a de Polignac number, because 80948922355 - 223 = 80940533747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80948922296 and 80948922305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441325 + ... + 597214.

It is an arithmetic number, because the mean of its divisors is an integer number (3701356560).

Almost surely, 280948922355 is an apocalyptic number.

80948922355 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

80948922355 is a deficient number, since it is larger than the sum of its proper divisors (37494487565).

80948922355 is a wasteful number, since it uses less digits than its factorization.

80948922355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038699.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 80948922355 in words is "eighty billion, nine hundred forty-eight million, nine hundred twenty-two thousand, three hundred fifty-five".

Divisors: 1 5 7 17 35 85 119 131 595 655 917 2227 4585 11135 15589 77945 1038539 5192695 7269773 17655163 36348865 88275815 123586141 136048609 617930705 680243045 952340263 2312826353 4761701315 11564131765 16189784471 80948922355