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79228697963 = 229911379777
BaseRepresentation
bin100100111001001100…
…1011111110101101011
321120111120202212111212
41021302121133311223
52244230021313323
6100221441543335
75503234551422
oct1116231376553
9246446685455
1079228697963
1130667597488
1213431644b4b
1376183bc38c
143b985602b9
1520da914b78
hex127265fd6b

79228697963 has 8 divisors (see below), whose sum is σ = 79662233280. Its totient is φ = 78795924480.

The previous prime is 79228697941. The next prime is 79228697971. The reversal of 79228697963 is 36979682297.

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 79228697963 - 28 = 79228697707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79228697893 and 79228697902.

It is not an unprimeable number, because it can be changed into a prime (79228697983) 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, 18731 + ... + 398507.

It is an arithmetic number, because the mean of its divisors is an integer number (9957779160).

Almost surely, 279228697963 is an apocalyptic number.

79228697963 is a deficient number, since it is larger than the sum of its proper divisors (433535317).

79228697963 is a wasteful number, since it uses less digits than its factorization.

79228697963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380917.

The product of its digits is 123451776, while the sum is 68.

The spelling of 79228697963 in words is "seventy-nine billion, two hundred twenty-eight million, six hundred ninety-seven thousand, nine hundred sixty-three".

Divisors: 1 229 911 208619 379777 86968933 345976847 79228697963