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11899147368 = 2334211177667
BaseRepresentation
bin10110001010011111…
…01001010001101000
31010201021100022112210
423011033221101220
5143332140203433
65244424005120
7600605040513
oct130517512150
933637308483
1011899147368
115056838599
1223810007a0
1311782b2c04
1480c487d7a
1549999d463
hex2c53e9468

11899147368 has 32 divisors (see below), whose sum is σ = 29818553760. Its totient is φ = 3956957760.

The previous prime is 11899147367. The next prime is 11899147373. The reversal of 11899147368 is 86374199811.

It is not an unprimeable number, because it can be changed into a prime (11899147361) 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, 578730 + ... + 598937.

It is an arithmetic number, because the mean of its divisors is an integer number (931829805).

Almost surely, 211899147368 is an apocalyptic number.

It is an amenable number.

11899147368 is an abundant number, since it is smaller than the sum of its proper divisors (17919406392).

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

11899147368 is a wasteful number, since it uses less digits than its factorization.

11899147368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178097 (or 1178093 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 57.

The spelling of 11899147368 in words is "eleven billion, eight hundred ninety-nine million, one hundred forty-seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 421 842 1263 1684 2526 3368 5052 10104 1177667 2355334 3533001 4710668 7066002 9421336 14132004 28264008 495797807 991595614 1487393421 1983191228 2974786842 3966382456 5949573684 11899147368