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13010121120 = 2535239712149
BaseRepresentation
bin11000001110111011…
…01011000110100000
31020120200211122000210
430013131223012200
5203121042333440
65550552014120
7640255130163
oct140735530640
936520748023
1013010121120
115576968617
122631091340
1312c4506729
148b5c41ada
155122a0a80
hex30776b1a0

13010121120 has 192 divisors, whose sum is σ = 43208121600. Its totient is φ = 3284041728.

The previous prime is 13010121109. The next prime is 13010121133. The reversal of 13010121120 is 2112101031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 13010121096 and 13010121105.

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, 1064806 + ... + 1076954.

It is an arithmetic number, because the mean of its divisors is an integer number (225042300).

Almost surely, 213010121120 is an apocalyptic number.

13010121120 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 13010121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21604060800).

13010121120 is an abundant number, since it is smaller than the sum of its proper divisors (30198000480).

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

13010121120 is a wasteful number, since it uses less digits than its factorization.

13010121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12287 (or 12279 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 13010121120 its reverse (2112101031), we get a palindrome (15122222151).

The spelling of 13010121120 in words is "thirteen billion, ten million, one hundred twenty-one thousand, one hundred twenty".