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13208053320 = 23335711712237
BaseRepresentation
bin11000100110100001…
…01110011001001000
31021002111021121222000
430103100232121020
5204022230201240
610022342231000
7645210413040
oct142320563110
937074247860
1013208053320
115668668a50
122687425460
131326518787
148d4246720
1552484c430
hex31342e648

13208053320 has 512 divisors, whose sum is σ = 55688601600. Its totient is φ = 2704665600.

The previous prime is 13208053307. The next prime is 13208053337. The reversal of 13208053320 is 2335080231.

13208053320 is a `hidden beast` number, since 1 + 32 + 0 + 80 + 533 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5903242 + ... + 5905478.

It is an arithmetic number, because the mean of its divisors is an integer number (108766800).

Almost surely, 213208053320 is an apocalyptic number.

13208053320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13208053320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27844300800).

13208053320 is an abundant number, since it is smaller than the sum of its proper divisors (42480548280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13208053320 is a wasteful number, since it uses less digits than its factorization.

13208053320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2336 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 13208053320 in words is "thirteen billion, two hundred eight million, fifty-three thousand, three hundred twenty".