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11715275768 = 2372389102199
BaseRepresentation
bin10101110100100100…
…01110101111111000
31010020110100200010112
422322102032233320
5142443102311033
65214255003452
7563213125640
oct127222165770
933213320115
1011715275768
114a71a71099
12232b509588
131149184a51
147d1ca3520
1548877cc48
hex2ba48ebf8

11715275768 has 64 divisors (see below), whose sum is σ = 26490240000. Its totient is φ = 4748527872.

The previous prime is 11715275749. The next prime is 11715275779. The reversal of 11715275768 is 86757251711.

It is a congruent number.

It is an unprimeable number.

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, 63533 + ... + 165731.

It is an arithmetic number, because the mean of its divisors is an integer number (413910000).

Almost surely, 211715275768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11715275768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13245120000).

11715275768 is an abundant number, since it is smaller than the sum of its proper divisors (14774964232).

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

11715275768 is a wasteful number, since it uses less digits than its factorization.

11715275768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102324 (or 102320 counting only the distinct ones).

The product of its digits is 823200, while the sum is 50.

The spelling of 11715275768 in words is "eleven billion, seven hundred fifteen million, two hundred seventy-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 23 28 46 56 89 92 161 178 184 322 356 623 644 712 1246 1288 2047 2492 4094 4984 8188 14329 16376 28658 57316 102199 114632 204398 408796 715393 817592 1430786 2350577 2861572 4701154 5723144 9095711 9402308 16454039 18191422 18804616 32908078 36382844 63669977 65816156 72765688 127339954 131632312 209201353 254679908 418402706 509359816 836805412 1464409471 1673610824 2928818942 5857637884 11715275768