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13248887708 = 2272320572807
BaseRepresentation
bin11000101011011000…
…11111101110011100
31021012100010020012202
430111230133232130
5204113203401313
610030401351032
7646214454530
oct142554375634
937170106182
1013248887708
115689719481
122699038478
131331b15034
148d9835bc0
15528216558
hex315b1fb9c

13248887708 has 24 divisors (see below), whose sum is σ = 27649853952. Its totient is φ = 5431220784.

The previous prime is 13248887653. The next prime is 13248887753. The reversal of 13248887708 is 80778884231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10285760 + ... + 10287047.

It is an arithmetic number, because the mean of its divisors is an integer number (1152077248).

Almost surely, 213248887708 is an apocalyptic number.

It is an amenable number.

13248887708 is an abundant number, since it is smaller than the sum of its proper divisors (14400966244).

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

13248887708 is a wasteful number, since it uses less digits than its factorization.

13248887708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20572841 (or 20572839 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 56.

The spelling of 13248887708 in words is "thirteen billion, two hundred forty-eight million, eight hundred eighty-seven thousand, seven hundred eight".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 20572807 41145614 82291228 144009649 288019298 473174561 576038596 946349122 1892698244 3312221927 6624443854 13248887708