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13120202144020 = 2251036369030167
BaseRepresentation
bin1011111011101100100011…
…1111001111100100010100
31201110021112110001010020111
42332323020333033210110
53204430133222102040
643523200533412404
72522621561101066
oct276731077174424
951407473033214
1013120202144020
1141a9279081694
12157a94919a104
137422ca9ca91a
1433504214b736
1517b44726bdea
hexbeec8fcf914

13120202144020 has 24 divisors (see below), whose sum is σ = 27819923773824. Its totient is φ = 5197128615456.

The previous prime is 13120202144009. The next prime is 13120202144047. The reversal of 13120202144020 is 2044120202131.

It is a junction number, because it is equal to n+sod(n) for n = 13120202143982 and 13120202144000.

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, 3184513024 + ... + 3184517143.

It is an arithmetic number, because the mean of its divisors is an integer number (1159163490576).

Almost surely, 213120202144020 is an apocalyptic number.

13120202144020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120202144020 is an abundant number, since it is smaller than the sum of its proper divisors (14699721629804).

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

13120202144020 is a wasteful number, since it uses less digits than its factorization.

13120202144020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369030279 (or 6369030277 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13120202144020 its reverse (2044120202131), we get a palindrome (15164322346151).

The spelling of 13120202144020 in words is "thirteen trillion, one hundred twenty billion, two hundred two million, one hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 6369030167 12738060334 25476120668 31845150835 63690301670 127380603340 656010107201 1312020214402 2624040428804 3280050536005 6560101072010 13120202144020