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11297945760 = 253523537387
BaseRepresentation
bin10101000010110100…
…01111100010100000
31002011101002002222120
422201122033202200
5141114233231020
65105030104240
7546654645243
oct124132174240
932141062876
1011297945760
114878439962
1222337ab080
1310b088640a
147926ab25a
15461ce4740
hex2a168f8a0

11297945760 has 48 divisors (see below), whose sum is σ = 35588530656. Its totient is φ = 3012785408.

The previous prime is 11297945741. The next prime is 11297945761. The reversal of 11297945760 is 6754979211.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (11297945761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11768214 + ... + 11769173.

It is an arithmetic number, because the mean of its divisors is an integer number (741427722).

Almost surely, 211297945760 is an apocalyptic number.

11297945760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11297945760 is an abundant number, since it is smaller than the sum of its proper divisors (24290584896).

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

11297945760 is a wasteful number, since it uses less digits than its factorization.

11297945760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23537405 (or 23537397 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 11297945760 in words is "eleven billion, two hundred ninety-seven million, nine hundred forty-five thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 23537387 47074774 70612161 94149548 117686935 141224322 188299096 235373870 282448644 353060805 376598192 470747740 564897288 706121610 753196384 941495480 1129794576 1412243220 1882990960 2259589152 2824486440 3765981920 5648972880 11297945760