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3137105887693 = 19715924395369
BaseRepresentation
bin101101101001101010000…
…101010000000111001101
3102002220102022012000110121
4231221222011100013031
5402344243101401233
610401055550304541
7442435260034141
oct55515205200715
912086368160417
103137105887693
11aaa491542468
12427baa4b8151
13199a9b932cbb
14abba0003221
155690b33a92d
hex2da6a1501cd

3137105887693 has 4 divisors (see below), whose sum is σ = 3153030283260. Its totient is φ = 3121181492128.

The previous prime is 3137105887661. The next prime is 3137105887771. The reversal of 3137105887693 is 3967885017313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3029834572164 + 107271315529 = 1740642^2 + 327523^2 .

It is a cyclic number.

It is not a de Polignac number, because 3137105887693 - 25 = 3137105887661 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 (3137105887603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7962197488 + ... + 7962197881.

It is an arithmetic number, because the mean of its divisors is an integer number (788257570815).

Almost surely, 23137105887693 is an apocalyptic number.

It is an amenable number.

3137105887693 is a deficient number, since it is larger than the sum of its proper divisors (15924395567).

3137105887693 is a wasteful number, since it uses less digits than its factorization.

3137105887693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15924395566.

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 3137105887693 in words is "three trillion, one hundred thirty-seven billion, one hundred five million, eight hundred eighty-seven thousand, six hundred ninety-three".

Divisors: 1 197 15924395369 3137105887693