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11715264740 = 2251746773783
BaseRepresentation
bin10101110100100100…
…01100000011100100
31010020110100010000002
422322102030003210
5142443101432430
65214254440432
7563213051534
oct127222140344
933213303002
1011715264740
114a71a63883
12232b503118
13114917ca1a
147d1c9d4c4
15488779845
hex2ba48c0e4

11715264740 has 48 divisors (see below), whose sum is σ = 26105369472. Its totient is φ = 4400948736.

The previous prime is 11715264713. The next prime is 11715264773. The reversal of 11715264740 is 4746251711.

It is a junction number, because it is equal to n+sod(n) for n = 11715264694 and 11715264703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121889 + ... + 195671.

It is an arithmetic number, because the mean of its divisors is an integer number (543861864).

Almost surely, 211715264740 is an apocalyptic number.

11715264740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11715264740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13052684736).

11715264740 is an abundant number, since it is smaller than the sum of its proper divisors (14390104732).

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

11715264740 is a wasteful number, since it uses less digits than its factorization.

11715264740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74276 (or 74274 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 11715264740 in words is "eleven billion, seven hundred fifteen million, two hundred sixty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 467 934 1868 2335 4670 7939 9340 15878 31756 39695 73783 79390 147566 158780 295132 368915 737830 1254311 1475660 2508622 5017244 6271555 12543110 25086220 34456661 68913322 137826644 172283305 344566610 585763237 689133220 1171526474 2343052948 2928816185 5857632370 11715264740