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10680803212 = 2215161176123
BaseRepresentation
bin10011111001010000…
…00001111110001100
31000120100211000120011
421330220001332030
5133333241200322
64523502403004
7525452220652
oct117450017614
930510730504
1010680803212
1145910425a2
1220a0b90464
131012a67c01
14734740dd2
15427a3c677
hex27ca01f8c

10680803212 has 12 divisors (see below), whose sum is σ = 18692744616. Its totient is φ = 5340019040.

The previous prime is 10680803201. The next prime is 10680803213. The reversal of 10680803212 is 21230808601.

It is a super-2 number, since 2×106808032122 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10680803213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27418 + ... + 148705.

It is an arithmetic number, because the mean of its divisors is an integer number (1557728718).

Almost surely, 210680803212 is an apocalyptic number.

It is an amenable number.

10680803212 is a deficient number, since it is larger than the sum of its proper divisors (8011941404).

10680803212 is a wasteful number, since it uses less digits than its factorization.

10680803212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191288 (or 191286 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 10680803212 in words is "ten billion, six hundred eighty million, eight hundred three thousand, two hundred twelve".

Divisors: 1 2 4 15161 30322 60644 176123 352246 704492 2670200803 5340401606 10680803212