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2686061252831 = 111315118567971
BaseRepresentation
bin100111000101100101101…
…110100001000011011111
3100111210012020010112012212
4213011211232201003133
5323002023140042311
65413543130351035
7365030046635525
oct47054556410337
910453166115185
102686061252831
11946174608420
123746b058b47b
131663a9cba708
14940128a4315
1549d0d500c8b
hex27165ba10df

2686061252831 has 8 divisors (see below), whose sum is σ = 2930471612928. Its totient is φ = 2441688055000.

The previous prime is 2686061252741. The next prime is 2686061252837. The reversal of 2686061252831 is 1382521606862.

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

It is a cyclic number.

It is not a de Polignac number, because 2686061252831 - 218 = 2686060990687 is a prime.

It is a super-2 number, since 2×26860612528312 (a number of 26 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 2686061252831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686061252837) 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, 9139325 + ... + 9428646.

It is an arithmetic number, because the mean of its divisors is an integer number (366308951616).

Almost surely, 22686061252831 is an apocalyptic number.

2686061252831 is a deficient number, since it is larger than the sum of its proper divisors (244410360097).

2686061252831 is a wasteful number, since it uses less digits than its factorization.

2686061252831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18581133.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 2686061252831 in words is "two trillion, six hundred eighty-six billion, sixty-one million, two hundred fifty-two thousand, eight hundred thirty-one".

Divisors: 1 11 13151 144661 18567971 204247681 244187386621 2686061252831