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13388920750 = 253431577933
BaseRepresentation
bin11000111100000101…
…01011011110101110
31021120002121122102201
430132002223132232
5204410030431000
610052323012114
7652534643242
oct143602533656
937502548381
1013388920750
115750773367
122717b0a03a
131354b3441a
14910288422
1553567796a
hex31e0ab7ae

13388920750 has 64 divisors (see below), whose sum is σ = 25813554624. Its totient is φ = 5197046400.

The previous prime is 13388920723. The next prime is 13388920757. The reversal of 13388920750 is 5702988331.

It is a self number, because there is not a number n which added to its sum of digits gives 13388920750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13388920757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1683784 + ... + 1691716.

It is an arithmetic number, because the mean of its divisors is an integer number (403336791).

Almost surely, 213388920750 is an apocalyptic number.

13388920750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13388920750 is a deficient number, since it is larger than the sum of its proper divisors (12424633874).

13388920750 is a wasteful number, since it uses less digits than its factorization.

13388920750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150 (or 8140 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 13388920750 in words is "thirteen billion, three hundred eighty-eight million, nine hundred twenty thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 43 50 86 125 157 215 250 314 430 785 1075 1570 2150 3925 5375 6751 7850 7933 10750 13502 15866 19625 33755 39250 39665 67510 79330 168775 198325 337550 341119 396650 682238 843875 991625 1245481 1687750 1705595 1983250 2490962 3411190 6227405 8527975 12454810 17055950 31137025 42639875 53555683 62274050 85279750 107111366 155685125 267778415 311370250 535556830 1338892075 2677784150 6694460375 13388920750