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11131242968 = 231391405371
BaseRepresentation
bin10100101110111100…
…10100100111011000
31001201202101201202002
422113132110213120
5140244044233333
65040313100132
7542562001256
oct122736244730
931652351662
1011131242968
1147a232965a
1221a79b7648
131085189b01
147784b55d6
154523660e8
hex2977949d8

11131242968 has 8 divisors (see below), whose sum is σ = 20871080580. Its totient is φ = 5565621480.

The previous prime is 11131242961. The next prime is 11131243033. The reversal of 11131242968 is 86924213111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131242961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695702678 + ... + 695702693.

Almost surely, 211131242968 is an apocalyptic number.

It is an amenable number.

11131242968 is a deficient number, since it is larger than the sum of its proper divisors (9739837612).

11131242968 is a wasteful number, since it uses less digits than its factorization.

11131242968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391405377 (or 1391405373 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The spelling of 11131242968 in words is "eleven billion, one hundred thirty-one million, two hundred forty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 1391405371 2782810742 5565621484 11131242968