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112389949440 = 21135531247
BaseRepresentation
bin110100010101011110…
…1101000100000000000
3101202002122111222200000
41220222331220200000
53320133311340230
6123344202400000
711056061544036
oct1505275504000
9352078458600
10112389949440
114373421853a
1219947200000
13a7a16a6c82
145622788556
152dcbd35b60
hex1a2af68800

112389949440 has 864 divisors, whose sum is σ = 426282030720. Its totient is φ = 28386754560.

The previous prime is 112389949433. The next prime is 112389949453. The reversal of 112389949440 is 44949983211.

112389949440 is a `hidden beast` number, since 1 + 1 + 23 + 8 + 99 + 494 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2391275497 + ... + 2391275543.

It is an arithmetic number, because the mean of its divisors is an integer number (493381980).

Almost surely, 2112389949440 is an apocalyptic number.

112389949440 is a gapful number since it is divisible by the number (10) 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 112389949440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213141015360).

112389949440 is an abundant number, since it is smaller than the sum of its proper divisors (313892081280).

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

112389949440 is an frugal number, since it uses more digits than its factorization.

112389949440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 112389949440 in words is "one hundred twelve billion, three hundred eighty-nine million, nine hundred forty-nine thousand, four hundred forty".