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11380888740 = 22351314590883
BaseRepresentation
bin10101001100101101…
…01001010010100100
31002101011011001100210
422212112221102210
5141302001414430
65121151535420
7552012646434
oct124626512244
932334131323
1011380888740
114910240181
12225752a570
1310c4b071c0
1479d6dc2c4
1546922a2b0
hex2a65a94a4

11380888740 has 48 divisors (see below), whose sum is σ = 34317759168. Its totient is φ = 2801449344.

The previous prime is 11380888711. The next prime is 11380888741. The reversal of 11380888740 is 4788808311.

It is a self number, because there is not a number n which added to its sum of digits gives 11380888740.

It is not an unprimeable number, because it can be changed into a prime (11380888741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7294662 + ... + 7296221.

It is an arithmetic number, because the mean of its divisors is an integer number (714953316).

Almost surely, 211380888740 is an apocalyptic number.

11380888740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11380888740 is an abundant number, since it is smaller than the sum of its proper divisors (22936870428).

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

11380888740 is a wasteful number, since it uses less digits than its factorization.

11380888740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14590908 (or 14590906 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 48.

The spelling of 11380888740 in words is "eleven billion, three hundred eighty million, eight hundred eighty-eight thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 14590883 29181766 43772649 58363532 72954415 87545298 145908830 175090596 189681479 218863245 291817660 379362958 437726490 569044437 758725916 875452980 948407395 1138088874 1896814790 2276177748 2845222185 3793629580 5690444370 11380888740