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13099450368 = 21431761257
BaseRepresentation
bin11000011001100100…
…11100000000000000
31020210220221000201110
430030302130000000
5203311424402433
610003502403320
7642421330254
oct141462340000
936726830643
1013099450368
115612330a44
122656b90540
131309b82284
148c3a56264
1551a048963
hex30cc9c000

13099450368 has 240 divisors, whose sum is σ = 37738147104. Its totient is φ = 4026531840.

The previous prime is 13099450321. The next prime is 13099450381. The reversal of 13099450368 is 86305499031.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50970496 + ... + 50970752.

Almost surely, 213099450368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13099450368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18869073552).

13099450368 is an abundant number, since it is smaller than the sum of its proper divisors (24638696736).

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

13099450368 is an equidigital number, since it uses as much as digits as its factorization.

13099450368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 13099450368 in words is "thirteen billion, ninety-nine million, four hundred fifty thousand, three hundred sixty-eight".