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10031000202 = 233185759263
BaseRepresentation
bin10010101011110010…
…01110101010001010
3221220002002121102000
421111321032222022
5131020414001302
64335211051430
7503402044356
oct112571165212
927802077360
1010031000202
114288268a13
121b3b440b76
13c3b2527a2
146b2312466
153da98331c
hex255e4ea8a

10031000202 has 16 divisors (see below), whose sum is σ = 22291111680. Its totient is φ = 3343666716.

The previous prime is 10031000179. The next prime is 10031000209. The reversal of 10031000202 is 20200013001.

It is a happy number.

10031000202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10031000209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92879578 + ... + 92879685.

It is an arithmetic number, because the mean of its divisors is an integer number (1393194480).

Almost surely, 210031000202 is an apocalyptic number.

10031000202 is an abundant number, since it is smaller than the sum of its proper divisors (12260111478).

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

10031000202 is a wasteful number, since it uses less digits than its factorization.

10031000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185759274 (or 185759268 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10031000202 its reverse (20200013001), we get a palindrome (30231013203).

The spelling of 10031000202 in words is "ten billion, thirty-one million, two hundred two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 27 54 185759263 371518526 557277789 1114555578 1671833367 3343666734 5015500101 10031000202