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768681940072 = 23839114523531
BaseRepresentation
bin10110010111110010000…
…00111001010001101000
32201111002202200110022011
423023321000321101220
5100043230034040242
61345043321405304
7106351440453604
oct13137100712150
92644082613264
10768681940072
11276aa5a08842
12104b86039834
13576427c5277
14292c0c58504
1514eddb0bd17
hexb2f9039468

768681940072 has 16 divisors (see below), whose sum is σ = 1442996503200. Its totient is φ = 383882872560.

The previous prime is 768681940069. The next prime is 768681940109. The reversal of 768681940072 is 270049186867.

It is a junction number, because it is equal to n+sod(n) for n = 768681939989 and 768681940016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57255054 + ... + 57268477.

It is an arithmetic number, because the mean of its divisors is an integer number (90187281450).

Almost surely, 2768681940072 is an apocalyptic number.

It is an amenable number.

768681940072 is a deficient number, since it is larger than the sum of its proper divisors (674314563128).

768681940072 is a wasteful number, since it uses less digits than its factorization.

768681940072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114524376 (or 114524372 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 768681940072 in words is "seven hundred sixty-eight billion, six hundred eighty-one million, nine hundred forty thousand, seventy-two".

Divisors: 1 2 4 8 839 1678 3356 6712 114523531 229047062 458094124 916188248 96085242509 192170485018 384340970036 768681940072