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13228130463 = 343971517001
BaseRepresentation
bin11000101000111010…
…10100000010011111
31021010220001122121220
430110131110002133
5204042400133323
610024340424423
7645543153012
oct142435240237
937126048556
1013228130463
115678a31229
1226920a8113
13132a728042
148d6b91379
155264b60e3
hex31475409f

13228130463 has 32 divisors (see below), whose sum is σ = 18357115392. Its totient is φ = 8467200000.

The previous prime is 13228130449. The next prime is 13228130473. The reversal of 13228130463 is 36403182231.

It is not a de Polignac number, because 13228130463 - 28 = 13228130207 is a prime.

It is a super-2 number, since 2×132281304632 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13228130473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1885963 + ... + 1892963.

It is an arithmetic number, because the mean of its divisors is an integer number (573659856).

Almost surely, 213228130463 is an apocalyptic number.

13228130463 is a deficient number, since it is larger than the sum of its proper divisors (5128984929).

13228130463 is a wasteful number, since it uses less digits than its factorization.

13228130463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 13228130463 in words is "thirteen billion, two hundred twenty-eight million, one hundred thirty thousand, four hundred sixty-three".

Divisors: 1 3 43 97 129 151 291 453 4171 6493 7001 12513 14647 19479 21003 43941 301043 629821 679097 903129 1057151 1889463 2037291 3171453 29201171 45457493 87603513 102543647 136372479 307630941 4409376821 13228130463