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13500242870 = 254743366337
BaseRepresentation
bin11001001001010110…
…10101101110110110
31021211212002101200012
430210223111232312
5210122030232440
610111341020222
7655356112442
oct144453255666
937755071605
1013500242870
1157a8598314
122749254672
131371c104ba
14920d85822
15540316e65
hex324ad5bb6

13500242870 has 32 divisors (see below), whose sum is σ = 24875157888. Its totient is φ = 5272915968.

The previous prime is 13500242807. The next prime is 13500242879. The reversal of 13500242870 is 7824200531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500242879) 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 15 ways as a sum of consecutive naturals, for example, 170342 + ... + 236678.

It is an arithmetic number, because the mean of its divisors is an integer number (777348684).

Almost surely, 213500242870 is an apocalyptic number.

13500242870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13500242870 is a deficient number, since it is larger than the sum of its proper divisors (11374915018).

13500242870 is a wasteful number, since it uses less digits than its factorization.

13500242870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66824.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 13500242870 in words is "thirteen billion, five hundred million, two hundred forty-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 47 94 235 433 470 866 2165 4330 20351 40702 66337 101755 132674 203510 331685 663370 3117839 6235678 15589195 28723921 31178390 57447842 143619605 287239210 1350024287 2700048574 6750121435 13500242870