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13074754780 = 2251514329389
BaseRepresentation
bin11000010110101000…
…01110110011011100
31020202012110100202001
430023110032303130
5203234114123110
610001221212044
7642001403413
oct141324166334
936665410661
1013074754780
1155aa3a386a
12264a861024
131304a167b9
148c066847a
15517cbb63a
hex30b50ecdc

13074754780 has 24 divisors (see below), whose sum is σ = 27638825760. Its totient is φ = 5195265600.

The previous prime is 13074754747. The next prime is 13074754783. The reversal of 13074754780 is 8745747031.

13074754780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13074754780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13074754783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161675 + ... + 2167714.

It is an arithmetic number, because the mean of its divisors is an integer number (1151617740).

Almost surely, 213074754780 is an apocalyptic number.

13074754780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13074754780 is an abundant number, since it is smaller than the sum of its proper divisors (14564070980).

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

13074754780 is a wasteful number, since it uses less digits than its factorization.

13074754780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329549 (or 4329547 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 13074754780 in words is "thirteen billion, seventy-four million, seven hundred fifty-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1510 3020 4329389 8658778 17317556 21646945 43293890 86587780 653737739 1307475478 2614950956 3268688695 6537377390 13074754780