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80830948406 = 213109277102967
BaseRepresentation
bin100101101000111100…
…1100110010000110110
321201122020200121220212
41023101321212100312
52311020210322111
6101044435425422
75561031503465
oct1132171462066
9251566617825
1080830948406
1131309a659aa
12137ba155272
137812332570
143cab27c9dc
15218140a98b
hex12d1e66436

80830948406 has 32 divisors (see below), whose sum is σ = 132247980480. Its totient is φ = 36830526336.

The previous prime is 80830948337. The next prime is 80830948439. The reversal of 80830948406 is 60484903808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733535 + ... + 836501.

It is an arithmetic number, because the mean of its divisors is an integer number (4132749390).

Almost surely, 280830948406 is an apocalyptic number.

80830948406 is a deficient number, since it is larger than the sum of its proper divisors (51417032074).

80830948406 is a wasteful number, since it uses less digits than its factorization.

80830948406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103368.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 80830948406 in words is "eighty billion, eight hundred thirty million, nine hundred forty-eight thousand, four hundred six".

Divisors: 1 2 13 26 109 218 277 554 1417 2834 3601 7202 30193 60386 102967 205934 392509 785018 1338571 2677142 11223403 22446806 28521859 57043718 145904239 291808478 370784167 741568334 3108882631 6217765262 40415474203 80830948406