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98680738464 = 25327116172949
BaseRepresentation
bin101101111100111010…
…1001001001010100000
3100102201020012220122100
41123321311021022200
53104044232112324
6113155554410400
710062254302650
oct1337165111240
9312636186570
1098680738464
1138939782410
121715bb90a00
1393c83bc509
144ac1b68360
1528784e24c9
hex16f9d492a0

98680738464 has 288 divisors, whose sum is σ = 355608489600. Its totient is φ = 25210828800.

The previous prime is 98680738427. The next prime is 98680738511. The reversal of 98680738464 is 46483708689.

98680738464 is a `hidden beast` number, since 98 + 6 + 80 + 7 + 3 + 8 + 464 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1316262 + ... + 1389210.

It is an arithmetic number, because the mean of its divisors is an integer number (1234751700).

Almost surely, 298680738464 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 98680738464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177804244800).

98680738464 is an abundant number, since it is smaller than the sum of its proper divisors (256927751136).

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

98680738464 is a wasteful number, since it uses less digits than its factorization.

98680738464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73044 (or 73033 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 98680738464 in words is "ninety-eight billion, six hundred eighty million, seven hundred thirty-eight thousand, four hundred sixty-four".