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13500500244 = 22371114610931
BaseRepresentation
bin11001001001011000…
…10100100100010100
31021211212120110201120
430210230110210110
5210122112001434
610111350323540
7655361234010
oct144454244424
937755513646
1013500500244
1157a8753720
1227493595b0
131371ca06aa
14921011540
15540368349
hex324b14914

13500500244 has 48 divisors (see below), whose sum is σ = 39274185216. Its totient is φ = 3506623200.

The previous prime is 13500500243. The next prime is 13500500249. The reversal of 13500500244 is 44200500531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500500243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7304542 + ... + 7306389.

It is an arithmetic number, because the mean of its divisors is an integer number (818212192).

Almost surely, 213500500244 is an apocalyptic number.

13500500244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13500500244 is an abundant number, since it is smaller than the sum of its proper divisors (25773684972).

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

13500500244 is a wasteful number, since it uses less digits than its factorization.

13500500244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14610956 (or 14610954 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 13500500244 in words is "thirteen billion, five hundred million, five hundred thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 14610931 29221862 43832793 58443724 87665586 102276517 160720241 175331172 204553034 306829551 321440482 409106068 482160723 613659102 642880964 964321446 1125041687 1227318204 1928642892 2250083374 3375125061 4500166748 6750250122 13500500244