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11868284765 = 521111124423
BaseRepresentation
bin10110000110110011…
…11010011101011101
31010122010021100000102
423003121322131131
5143301240103030
65241402310445
7600051520211
oct130331723535
933563240012
1011868284765
115040379007
1223727b8425
131171a9840c
14808332941
15496e03c45
hex2c367a75d

11868284765 has 8 divisors (see below), whose sum is σ = 14248700928. Its totient is φ = 9490121680.

The previous prime is 11868284737. The next prime is 11868284767. The reversal of 11868284765 is 56748286811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11868284765 - 210 = 11868283741 is a prime.

It is a super-2 number, since 2×118682847652 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11868284765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11868284767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551657 + ... + 572766.

It is an arithmetic number, because the mean of its divisors is an integer number (1781087616).

Almost surely, 211868284765 is an apocalyptic number.

It is an amenable number.

11868284765 is a deficient number, since it is larger than the sum of its proper divisors (2380416163).

11868284765 is a wasteful number, since it uses less digits than its factorization.

11868284765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126539.

The product of its digits is 5160960, while the sum is 56.

The spelling of 11868284765 in words is "eleven billion, eight hundred sixty-eight million, two hundred eighty-four thousand, seven hundred sixty-five".

Divisors: 1 5 2111 10555 1124423 5622115 2373656953 11868284765