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118428694272 = 283372232661
BaseRepresentation
bin110111001001011100…
…1100111011100000000
3102022200111111000021000
41232102321213130000
53420020221204042
6130223321532000
711361526202100
oct1562271473400
9368614430230
10118428694272
1146252a01949
121ab51644000
13b2247ba175
145a367a1200
15313207374c
hex1b92e67700

118428694272 has 648 divisors, whose sum is σ = 426519476880. Its totient is φ = 32316641280.

The previous prime is 118428694271. The next prime is 118428694297. The reversal of 118428694272 is 272496824811.

118428694272 is a `hidden beast` number, since 1 + 1 + 8 + 4 + 286 + 94 + 272 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118428694271) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 179165622 + ... + 179166282.

Almost surely, 2118428694272 is an apocalyptic number.

118428694272 is a gapful number since it is divisible by the number (12) 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 118428694272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213259738440).

118428694272 is an abundant number, since it is smaller than the sum of its proper divisors (308090782608).

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

118428694272 is an equidigital number, since it uses as much as digits as its factorization.

118428694272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 696 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 118428694272 in words is "one hundred eighteen billion, four hundred twenty-eight million, six hundred ninety-four thousand, two hundred seventy-two".