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89114924640 = 25357127208837
BaseRepresentation
bin101001011111110101…
…0011101011001100000
322112000120110012222110
41102333222131121200
52430001410042030
6104534442035320
76303231234630
oct1227752353140
9275016405873
1089114924640
1134880062955
12153304a8b40
138532652b51
1444555486c0
1524b87ec1b0
hex14bfa9d660

89114924640 has 192 divisors, whose sum is σ = 323341369344. Its totient is φ = 20208642048.

The previous prime is 89114924617. The next prime is 89114924651. The reversal of 89114924640 is 4642941198.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 89114924640.

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, 322302 + ... + 531138.

It is an arithmetic number, because the mean of its divisors is an integer number (1684069632).

Almost surely, 289114924640 is an apocalyptic number.

89114924640 is a gapful number since it is divisible by the number (80) 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 89114924640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161670684672).

89114924640 is an abundant number, since it is smaller than the sum of its proper divisors (234226444704).

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

89114924640 is a wasteful number, since it uses less digits than its factorization.

89114924640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208989 (or 208981 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 89114924640 in words is "eighty-nine billion, one hundred fourteen million, nine hundred twenty-four thousand, six hundred forty".