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98780749504 = 261990132
BaseRepresentation
bin101101111111111001…
…0101001111011000000
3100102222012101222222221
41123333302221323000
53104300332441004
6113213530140424
710064610342223
oct1337762517300
9312865358887
1098780749504
1138990181168
1217189581714
139413038048
144ad115d5ba
15288219a354
hex16ffca9ec0

98780749504 has 42 divisors (see below), whose sum is σ = 206357684820. Its totient is φ = 46785689856.

The previous prime is 98780749477. The next prime is 98780749511. The reversal of 98780749504 is 40594708789.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10955302 + ... + 10964314.

It is an arithmetic number, because the mean of its divisors is an integer number (4913278210).

Almost surely, 298780749504 is an apocalyptic number.

It is an amenable number.

98780749504 is an abundant number, since it is smaller than the sum of its proper divisors (107576935316).

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

98780749504 is an frugal number, since it uses more digits than its factorization.

98780749504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18057 (or 9034 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 98780749504 in words is "ninety-eight billion, seven hundred eighty million, seven hundred forty-nine thousand, five hundred four".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 1216 9013 18026 36052 72104 144208 171247 288416 342494 576832 684988 1369976 2739952 5479904 10959808 81234169 162468338 324936676 649873352 1299746704 1543449211 2599493408 3086898422 5198986816 6173796844 12347593688 24695187376 49390374752 98780749504