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13298685680 = 245743552271
BaseRepresentation
bin11000110001010100…
…11101011011110000
31021022210211020012002
430120222131123300
5204213430420210
610035340553132
7650360651240
oct143052353360
937283736162
1013298685680
115704841425
1226b18527a8
13133c22c4a7
149022b9b20
1552c7a14a5
hex318a9d6f0

13298685680 has 80 divisors (see below), whose sum is σ = 36158352384. Its totient is φ = 4453505280.

The previous prime is 13298685677. The next prime is 13298685683. The reversal of 13298685680 is 8658689231.

13298685680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13298685677) and next prime (13298685683).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13298685683) 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 15 ways as a sum of consecutive naturals, for example, 252056 + ... + 300215.

Almost surely, 213298685680 is an apocalyptic number.

13298685680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13298685680 is an abundant number, since it is smaller than the sum of its proper divisors (22859666704).

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

13298685680 is a wasteful number, since it uses less digits than its factorization.

13298685680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552334 (or 552328 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 13298685680 in words is "thirteen billion, two hundred ninety-eight million, six hundred eighty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 43 56 70 80 86 112 140 172 215 280 301 344 430 560 602 688 860 1204 1505 1720 2408 3010 3440 4816 6020 12040 24080 552271 1104542 2209084 2761355 3865897 4418168 5522710 7731794 8836336 11045420 15463588 19329485 22090840 23747653 30927176 38658970 44181680 47495306 61854352 77317940 94990612 118738265 154635880 166233571 189981224 237476530 309271760 332467142 379962448 474953060 664934284 831167855 949906120 1329868568 1662335710 1899812240 2659737136 3324671420 6649342840 13298685680