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120231113100 = 2235272312491993
BaseRepresentation
bin110111111111001010…
…1010011000110001100
3102111100010001101001220
41233332111103012030
53432213131104400
6131122230003340
711454303412350
oct1577625230614
9374303041056
10120231113100
1146a9836888a
121b3751a6550
13b451046197
145b67d07460
1531da4087a0
hex1bfe55318c

120231113100 has 288 divisors, whose sum is σ = 415390080000. Its totient is φ = 26252328960.

The previous prime is 120231113029. The next prime is 120231113129. The reversal of 120231113100 is 1311132021.

It is a happy number.

It is a super-2 number, since 2×1202311131002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120231113100.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60325704 + ... + 60327696.

Almost surely, 2120231113100 is an apocalyptic number.

120231113100 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 120231113100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207695040000).

120231113100 is an abundant number, since it is smaller than the sum of its proper divisors (295158966900).

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

120231113100 is a wasteful number, since it uses less digits than its factorization.

120231113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289 (or 3282 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 120231113100 its reverse (1311132021), we get a palindrome (121542245121).

The spelling of 120231113100 in words is "one hundred twenty billion, two hundred thirty-one million, one hundred thirteen thousand, one hundred".