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806904135882 = 233131149436091
BaseRepresentation
bin10111011110111110011…
…11000000000011001010
32212010202112111011221000
423233133033000003022
5101210014424322012
61414404151555430
7112203556663035
oct13573717000312
92763675434830
10806904135882
1129122a392219
1211047268bb76
135b124459490
142b0a928a01c
1515ec94c1ddc
hexbbdf3c00ca

806904135882 has 32 divisors (see below), whose sum is σ = 1931052634560. Its totient is φ = 248278195440.

The previous prime is 806904135859. The next prime is 806904135923. The reversal of 806904135882 is 288531409608.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 574717344 + ... + 574718747.

It is an arithmetic number, because the mean of its divisors is an integer number (60345394830).

Almost surely, 2806904135882 is an apocalyptic number.

806904135882 is an abundant number, since it is smaller than the sum of its proper divisors (1124148498678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806904135882 is a wasteful number, since it uses less digits than its factorization.

806904135882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149436115 (or 1149436109 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 806904135882 in words is "eight hundred six billion, nine hundred four million, one hundred thirty-five thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 1149436091 2298872182 3448308273 6896616546 10344924819 14942669183 20689849638 29885338366 31034774457 44828007549 62069548914 89656015098 134484022647 268968045294 403452067941 806904135882