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13630304031 = 336712379931
BaseRepresentation
bin11001011000110110…
…11110111100011111
31022011220211012001020
430230123132330133
5210403324212111
610132304415223
7661525446501
oct145433367437
938156735036
1013630304031
115864a51183
122784917513
131392b4aa76
1493435dd71
1554b958906
hex32c6def1f

13630304031 has 8 divisors (see below), whose sum is σ = 18223259904. Its totient is φ = 9062108760.

The previous prime is 13630304003. The next prime is 13630304057. The reversal of 13630304031 is 13040303631.

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

It is not a de Polignac number, because 13630304031 - 210 = 13630303007 is a prime.

It is a super-2 number, since 2×136303040312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13630303992 and 13630304010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13630306031) 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, 6188865 + ... + 6191066.

It is an arithmetic number, because the mean of its divisors is an integer number (2277907488).

Almost surely, 213630304031 is an apocalyptic number.

13630304031 is a deficient number, since it is larger than the sum of its proper divisors (4592955873).

13630304031 is a wasteful number, since it uses less digits than its factorization.

13630304031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12380301.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13630304031 its reverse (13040303631), we get a palindrome (26670607662).

The spelling of 13630304031 in words is "thirteen billion, six hundred thirty million, three hundred four thousand, thirty-one".

Divisors: 1 3 367 1101 12379931 37139793 4543434677 13630304031