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13010231113120 = 25581313944457
BaseRepresentation
bin1011110101010010111000…
…1101000011010110100000
31201001202200101010221000001
42331110232031003112200
53201124423131104440
643400452340505344
72511646440543463
oct275245615032640
951052611127001
1013010231113120
11416667631848a
1215615780ab254
13734b235046c7
1432d9acb492da
1517865c997b9a
hexbd52e3435a0

13010231113120 has 24 divisors (see below), whose sum is σ = 30736671005124. Its totient is φ = 5204092445184.

The previous prime is 13010231113111. The next prime is 13010231113219. The reversal of 13010231113120 is 2131113201031.

It can be written as a sum of positive squares in 2 ways, for example, as 11709509111056 + 1300722002064 = 3421916^2 + 1140492^2 .

It is a super-2 number, since 2×130102311131202 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40656972069 + ... + 40656972388.

Almost surely, 213010231113120 is an apocalyptic number.

13010231113120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13010231113120 is an abundant number, since it is smaller than the sum of its proper divisors (17726439892004).

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

13010231113120 is an equidigital number, since it uses as much as digits as its factorization.

13010231113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81313944472 (or 81313944464 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 13010231113120 its reverse (2131113201031), we get a palindrome (15141344314151).

The spelling of 13010231113120 in words is "thirteen trillion, ten billion, two hundred thirty-one million, one hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 81313944457 162627888914 325255777828 406569722285 650511555656 813139444570 1301023111312 1626278889140 2602046222624 3252557778280 6505115556560 13010231113120