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13120140431000 = 235313120140431
BaseRepresentation
bin1011111011101100010101…
…0011110100111010011000
31201110021101010220202220002
42332323011103310322120
53204430021422243000
643523150450552132
72522620211410541
oct276730523647230
951407333822802
1013120140431000
1141a9247260799
12157a930598648
137422baca1045
14335037c854c8
1517b441b2b8d5
hexbeec54f4e98

13120140431000 has 32 divisors (see below), whose sum is σ = 30701128610880. Its totient is φ = 5248056172000.

The previous prime is 13120140430951. The next prime is 13120140431039. The reversal of 13120140431000 is 13404102131.

It is a super-2 number, since 2×131201404310002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6560069216 + ... + 6560071215.

It is an arithmetic number, because the mean of its divisors is an integer number (959410269090).

Almost surely, 213120140431000 is an apocalyptic number.

13120140431000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120140431000 is an abundant number, since it is smaller than the sum of its proper divisors (17580988179880).

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

13120140431000 is a wasteful number, since it uses less digits than its factorization.

13120140431000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120140452 (or 13120140438 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13120140431000 its reverse (13404102131), we get a palindrome (13133544533131).

The spelling of 13120140431000 in words is "thirteen trillion, one hundred twenty billion, one hundred forty million, four hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 13120140431 26240280862 52480561724 65600702155 104961123448 131201404310 262402808620 328003510775 524805617240 656007021550 1312014043100 1640017553875 2624028086200 3280035107750 6560070215500 13120140431000