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92112668640 = 253555344701
BaseRepresentation
bin101010111001001010…
…1111100011111100000
322210202111020101200000
41111302111330133200
53002121320344030
6110152130100000
76440431523226
oct1256225743740
9283674211600
1092112668640
1136079222333
1215a2841a600
1388bc727575
14465b724b16
1525e1a97860
hex157257c7e0

92112668640 has 288 divisors, whose sum is σ = 332134429536. Its totient is φ = 24099379200.

The previous prime is 92112668633. The next prime is 92112668653. The reversal of 92112668640 is 4686621129.

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

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 2038290 + ... + 2082990.

It is an arithmetic number, because the mean of its divisors is an integer number (1153244547).

Almost surely, 292112668640 is an apocalyptic number.

92112668640 is a gapful number since it is divisible by the number (90) 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 92112668640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166067214768).

92112668640 is an abundant number, since it is smaller than the sum of its proper divisors (240021760896).

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

92112668640 is a wasteful number, since it uses less digits than its factorization.

92112668640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44784 (or 44764 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 92112668640 in words is "ninety-two billion, one hundred twelve million, six hundred sixty-eight thousand, six hundred forty".