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813346813412 = 227103997282869
BaseRepresentation
bin10111101010111110011…
…11110111010111100100
32212202101112112010000022
423311133033313113210
5101311213241012122
61421351340534312
7112522330562330
oct13653717672744
92782345463008
10813346813412
11293a36088201
12111770251398
135b910159cc3
142b51abac7c0
1516254ded642
hexbd5f3f75e4

813346813412 has 48 divisors (see below), whose sum is σ = 1644140010240. Its totient is φ = 344845510272.

The previous prime is 813346813393. The next prime is 813346813421. The reversal of 813346813412 is 214318643318.

It is a happy 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, 2733914 + ... + 3016782.

It is an arithmetic number, because the mean of its divisors is an integer number (34252916880).

Almost surely, 2813346813412 is an apocalyptic number.

It is an amenable number.

813346813412 is an abundant number, since it is smaller than the sum of its proper divisors (830793196828).

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

813346813412 is a wasteful number, since it uses less digits than its factorization.

813346813412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283980 (or 283978 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The spelling of 813346813412 in words is "eight hundred thirteen billion, three hundred forty-six million, eight hundred thirteen thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 103 206 412 721 997 1442 1994 2884 3988 6979 13958 27916 102691 205382 282869 410764 565738 718837 1131476 1437674 1980083 2875348 3960166 7920332 29135507 58271014 116542028 203948549 282020393 407897098 564040786 815794196 1128081572 1974142751 3948285502 7896571004 29048100479 58096200958 116192401916 203336703353 406673406706 813346813412