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13208739955 = 55934454887
BaseRepresentation
bin11000100110100110…
…10110000001110011
31021002112120111211221
430103103112001303
5204022414134310
610022405045511
7645216302635
oct142323260163
937075514757
1013208739955
115668a97914
1226876b6897
1313266c9178
148d4384a55
15524935ada
hex3134d6073

13208739955 has 8 divisors (see below), whose sum is σ = 15877220832. Its totient is φ = 10549170048.

The previous prime is 13208739953. The next prime is 13208739959. The reversal of 13208739955 is 55993780231.

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 13208739955 - 21 = 13208739953 is a prime.

It is a super-2 number, since 2×132087399552 (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 (13208739953) 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, 2224479 + ... + 2230408.

It is an arithmetic number, because the mean of its divisors is an integer number (1984652604).

Almost surely, 213208739955 is an apocalyptic number.

13208739955 is a deficient number, since it is larger than the sum of its proper divisors (2668480877).

13208739955 is an equidigital number, since it uses as much as digits as its factorization.

13208739955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455485.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 13208739955 in words is "thirteen billion, two hundred eight million, seven hundred thirty-nine thousand, nine hundred fifty-five".

Divisors: 1 5 593 2965 4454887 22274435 2641747991 13208739955