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85254436704 = 2531983601937
BaseRepresentation
bin100111101100110001…
…1110111011101100000
322011001112021010002210
41033121203313131200
52344100113433304
6103055414242120
76105453520023
oct1173143673540
9264045233083
1085254436704
11331799a8158
1214633656340
1380688ca668
1441aa94d1ba
15233e933c89
hex13d98f7760

85254436704 has 192 divisors, whose sum is σ = 239061231360. Its totient is φ = 26525491200.

The previous prime is 85254436661. The next prime is 85254436741. The reversal of 85254436704 is 40763445258.

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 31 ways as a sum of consecutive naturals, for example, 90986124 + ... + 90987060.

It is an arithmetic number, because the mean of its divisors is an integer number (1245110580).

Almost surely, 285254436704 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 85254436704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119530615680).

85254436704 is an abundant number, since it is smaller than the sum of its proper divisors (153806794656).

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

85254436704 is a wasteful number, since it uses less digits than its factorization.

85254436704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 85254436704 in words is "eighty-five billion, two hundred fifty-four million, four hundred thirty-six thousand, seven hundred four".