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299860807680 = 212345731731
BaseRepresentation
bin1000101110100010001…
…10001101000000000000
31001122222211000022210000
410113101012031000000
514403103331321210
6345430521440000
730443554545000
oct4272106150000
91048884008700
10299860807680
11106196677025
124a146940000
132237a0450a5
141072886c000
157c00366ac0
hex45d118d000

299860807680 has 2080 divisors, whose sum is σ = 1370111846400. Its totient is φ = 62426972160.

The previous prime is 299860807651. The next prime is 299860807699. The reversal of 299860807680 is 86708068992.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 9672929265 + ... + 9672929295.

Almost surely, 2299860807680 is an apocalyptic number.

299860807680 is a gapful number since it is divisible by the number (20) 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 299860807680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685055923200).

299860807680 is an abundant number, since it is smaller than the sum of its proper divisors (1070251038720).

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

299860807680 is an equidigital number, since it uses as much as digits as its factorization.

299860807680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 299860807680 in words is "two hundred ninety-nine billion, eight hundred sixty million, eight hundred seven thousand, six hundred eighty".