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202102199 = 1325920269
BaseRepresentation
bin11000000101111…
…01010110110111
3112002021212002122
430002331112313
5403214232244
632015430155
75002561145
oct1402752667
9462255078
10202102199
11a4099412
125782535b
1332b42100
141cbac595
1512b221ee
hexc0bd5b7

202102199 has 12 divisors (see below), whose sum is σ = 222564600. Its totient is φ = 183384864.

The previous prime is 202102157. The next prime is 202102207. The reversal of 202102199 is 991201202.

It is a happy number.

It is not a de Polignac number, because 202102199 - 220 = 201053623 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 (202102499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164 + ... + 20105.

It is an arithmetic number, because the mean of its divisors is an integer number (18547050).

Almost surely, 2202102199 is an apocalyptic number.

202102199 is a deficient number, since it is larger than the sum of its proper divisors (20462401).

202102199 is a wasteful number, since it uses less digits than its factorization.

202102199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20354 (or 20341 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 202102199 is about 14216.2652971869. The cubic root of 202102199 is about 586.8453661389.

The spelling of 202102199 in words is "two hundred two million, one hundred two thousand, one hundred ninety-nine".

Divisors: 1 13 59 169 767 9971 20269 263497 1195871 3425461 15546323 202102199