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13630387983 = 342111078951
BaseRepresentation
bin11001011000110111…
…10011011100001111
31022011220222110012120
430230123303130033
5210403334403413
610132310304023
7661526246322
oct145433633417
938156873176
1013630387983
115864aa9263
122784958013
131392b7a044
149343827b9
1554b973723
hex32c6f370f

13630387983 has 8 divisors (see below), whose sum is σ = 18178183296. Its totient is φ = 9084759000.

The previous prime is 13630387973. The next prime is 13630388011. The reversal of 13630387983 is 38978303631.

It is a happy number.

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

It is not a de Polignac number, because 13630387983 - 29 = 13630387471 is a prime.

It is a super-2 number, since 2×136303879832 (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 (13630387973) 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, 526843 + ... + 552108.

It is an arithmetic number, because the mean of its divisors is an integer number (2272272912).

Almost surely, 213630387983 is an apocalyptic number.

13630387983 is a deficient number, since it is larger than the sum of its proper divisors (4547795313).

13630387983 is a wasteful number, since it uses less digits than its factorization.

13630387983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083165.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 13630387983 in words is "thirteen billion, six hundred thirty million, three hundred eighty-seven thousand, nine hundred eighty-three".

Divisors: 1 3 4211 12633 1078951 3236853 4543462661 13630387983