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11698962690 = 2351973197651
BaseRepresentation
bin10101110010101000…
…00000000100000010
31010012022122212210110
422321110000010002
5142424413301230
65212513212150
7562624353642
oct127124000402
933168585713
1011698962690
114a63839908
122325b61056
13114599283c
147cda58522
154871094b0
hex2b9500102

11698962690 has 32 divisors (see below), whose sum is σ = 28091883456. Its totient is φ = 3118126400.

The previous prime is 11698962689. The next prime is 11698962721. The reversal of 11698962690 is 9626989611.

It is a super-2 number, since 2×116989626902 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11698962690.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39636 + ... + 158015.

It is an arithmetic number, because the mean of its divisors is an integer number (877871358).

Almost surely, 211698962690 is an apocalyptic number.

11698962690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11698962690 is an abundant number, since it is smaller than the sum of its proper divisors (16392920766).

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

11698962690 is a wasteful number, since it uses less digits than its factorization.

11698962690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199634.

The product of its (nonzero) digits is 2519424, while the sum is 57.

The spelling of 11698962690 in words is "eleven billion, six hundred ninety-eight million, nine hundred sixty-two thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1973 3946 5919 9865 11838 19730 29595 59190 197651 395302 592953 988255 1185906 1976510 2964765 5929530 389965423 779930846 1169896269 1949827115 2339792538 3899654230 5849481345 11698962690