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768953809461 = 31061241581467
BaseRepresentation
bin10110011000010010011…
…01111111101000110101
32201111210201020211222210
423030021031333220311
5100044304133400321
61345130312444033
7106361251351665
oct13141115775065
92644721224883
10768953809461
11277125419292
121050410a9619
1357686c23c26
1429308dc81a5
1515007910b76
hexb30937fa35

768953809461 has 8 divisors (see below), whose sum is σ = 1026238076064. Its totient is φ = 512152707920.

The previous prime is 768953809453. The next prime is 768953809469. The reversal of 768953809461 is 164908359867.

It is an interprime number because it is at equal distance from previous prime (768953809453) and next prime (768953809469).

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 768953809461 - 23 = 768953809453 is a prime.

It is a super-2 number, since 2×7689538094612 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 768953809392 and 768953809401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768953809469) 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, 120787551 + ... + 120793916.

It is an arithmetic number, because the mean of its divisors is an integer number (128279759508).

Almost surely, 2768953809461 is an apocalyptic number.

It is an amenable number.

768953809461 is a deficient number, since it is larger than the sum of its proper divisors (257284266603).

768953809461 is a wasteful number, since it uses less digits than its factorization.

768953809461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241582531.

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 768953809461 in words is "seven hundred sixty-eight billion, nine hundred fifty-three million, eight hundred nine thousand, four hundred sixty-one".

Divisors: 1 3 1061 3183 241581467 724744401 256317936487 768953809461