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11487417320 = 2354339716823
BaseRepresentation
bin10101011001011010…
…00001001111101000
31002122120121021002202
422230231001033220
5142011234323240
65135515115332
7554445302411
oct125455011750
932576537082
1011487417320
114965390725
122287142b48
131110bc5472
147ad90c808
1547376e315
hex2acb413e8

11487417320 has 64 divisors (see below), whose sum is σ = 26515969920. Its totient is φ = 4476536064.

The previous prime is 11487417307. The next prime is 11487417323. The reversal of 11487417320 is 2371478411.

It is not an unprimeable number, because it can be changed into a prime (11487417323) 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, 674429 + ... + 691251.

It is an arithmetic number, because the mean of its divisors is an integer number (414312030).

Almost surely, 211487417320 is an apocalyptic number.

11487417320 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 11487417320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13257984960).

11487417320 is an abundant number, since it is smaller than the sum of its proper divisors (15028552600).

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

11487417320 is a wasteful number, since it uses less digits than its factorization.

11487417320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17274 (or 17270 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 11487417320 in words is "eleven billion, four hundred eighty-seven million, four hundred seventeen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 397 430 794 860 1588 1720 1985 3176 3970 7940 15880 16823 17071 33646 34142 67292 68284 84115 85355 134584 136568 168230 170710 336460 341420 672920 682840 723389 1446778 2893556 3616945 5787112 6678731 7233890 13357462 14467780 26714924 28935560 33393655 53429848 66787310 133574620 267149240 287185433 574370866 1148741732 1435927165 2297483464 2871854330 5743708660 11487417320