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83634507448 = 2347921825289
BaseRepresentation
bin100110111100100000…
…0010100111010111000
321222212122002011220221
41031321000110322320
52332240413214243
6102230545425424
76020353404142
oct1157100247270
9258778064827
1083634507448
1132518554348
121426103b274
137b6b10773b
14409574bc92
1522975e9bed
hex1379014eb8

83634507448 has 16 divisors (see below), whose sum is σ = 157142088000. Its totient is φ = 41729950656.

The previous prime is 83634507389. The next prime is 83634507469. The reversal of 83634507448 is 84470543638.

It is a junction number, because it is equal to n+sod(n) for n = 83634507395 and 83634507404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10908813 + ... + 10916476.

It is an arithmetic number, because the mean of its divisors is an integer number (9821380500).

Almost surely, 283634507448 is an apocalyptic number.

It is an amenable number.

83634507448 is a deficient number, since it is larger than the sum of its proper divisors (73507580552).

83634507448 is a wasteful number, since it uses less digits than its factorization.

83634507448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21825774 (or 21825770 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 83634507448 in words is "eighty-three billion, six hundred thirty-four million, five hundred seven thousand, four hundred forty-eight".

Divisors: 1 2 4 8 479 958 1916 3832 21825289 43650578 87301156 174602312 10454313431 20908626862 41817253724 83634507448