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2102234202191 = 171933568311257
BaseRepresentation
bin11110100101110110111…
…011000100000001001111
321102222020022112102110002
4132211312323010001033
5233420333423432231
64245430354434515
7304611215612414
oct36456673040117
97388208472402
102102234202191
11740609447082
1229b515b92a3b
13123316bbc036
1473a6a53210b
1539a3d43d0cb
hex1e976ec404f

2102234202191 has 16 divisors (see below), whose sum is σ = 2227636311264. Its totient is φ = 1977026171904.

The previous prime is 2102234202139. The next prime is 2102234202193. The reversal of 2102234202191 is 1912024322012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2102234202191 - 222 = 2102230007887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102234202193) 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, 186743435 + ... + 186754691.

It is an arithmetic number, because the mean of its divisors is an integer number (139227269454).

Almost surely, 22102234202191 is an apocalyptic number.

2102234202191 is a deficient number, since it is larger than the sum of its proper divisors (125402109073).

2102234202191 is a wasteful number, since it uses less digits than its factorization.

2102234202191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18890.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 2102234202191 in words is "two trillion, one hundred two billion, two hundred thirty-four million, two hundred two thousand, one hundred ninety-one".

Divisors: 1 17 1933 5683 11257 32861 96611 191369 10985239 21759781 63973531 186749063 369916277 1087550027 123660835423 2102234202191