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1107215640687 = 31328390144633
BaseRepresentation
bin10000000111001011001…
…100011110100001101111
310220211220202120021221010
4100013023030132201233
5121120034201000222
62204351533440303
7142664556442602
oct20071314364157
93824822507833
101107215640687
11397627400702
1215a704340093
1380543983650
143b837918339
151dc041b380c
hex101cb31e86f

1107215640687 has 8 divisors (see below), whose sum is σ = 1589848099504. Its totient is φ = 681363471168.

The previous prime is 1107215640679. The next prime is 1107215640709. The reversal of 1107215640687 is 7860465127011.

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

It is not a de Polignac number, because 1107215640687 - 23 = 1107215640679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107215640637) 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, 14195072278 + ... + 14195072355.

It is an arithmetic number, because the mean of its divisors is an integer number (198731012438).

Almost surely, 21107215640687 is an apocalyptic number.

1107215640687 is a deficient number, since it is larger than the sum of its proper divisors (482632458817).

1107215640687 is a wasteful number, since it uses less digits than its factorization.

1107215640687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28390144649.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 1107215640687 in words is "one trillion, one hundred seven billion, two hundred fifteen million, six hundred forty thousand, six hundred eighty-seven".

Divisors: 1 3 13 39 28390144633 85170433899 369071880229 1107215640687