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13550883961 = 191973620327
BaseRepresentation
bin11001001111011001…
…00001010001111001
31021222101101020012011
430213230201101321
5210223011241321
610120350245521
7656542420216
oct144754412171
937871336164
1013550883961
11582413675a
1227621b68a1
13137c561644
149279a8b0d
155449bbae1
hex327b21479

13550883961 has 8 divisors (see below), whose sum is σ = 14336498880. Its totient is φ = 12772510128.

The previous prime is 13550883919. The next prime is 13550883977. The reversal of 13550883961 is 16938805531.

13550883961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13550883961 - 27 = 13550883833 is a prime.

It is a super-2 number, since 2×135508839612 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13550883061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806421 + ... + 1813906.

It is an arithmetic number, because the mean of its divisors is an integer number (1792062360).

Almost surely, 213550883961 is an apocalyptic number.

It is an amenable number.

13550883961 is a deficient number, since it is larger than the sum of its proper divisors (785614919).

13550883961 is a wasteful number, since it uses less digits than its factorization.

13550883961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620543.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 13550883961 in words is "thirteen billion, five hundred fifty million, eight hundred eighty-three thousand, nine hundred sixty-one".

Divisors: 1 19 197 3743 3620327 68786213 713204419 13550883961