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203032030122 = 23211279557229
BaseRepresentation
bin1011110100010110100…
…1101110101110101010
3201102001122120202220100
42331011221232232222
511311302144430442
6233134401010230
720445215531655
oct2750551565652
9642048522810
10203032030122
1179118319319
1233423023976
13161b853973c
149b80a6489c
15543474384c
hex2f45a6ebaa

203032030122 has 12 divisors (see below), whose sum is σ = 439902731970. Its totient is φ = 67677343368.

The previous prime is 203032030067. The next prime is 203032030141. The reversal of 203032030122 is 221030230302.

It is a happy number.

203032030122 is a `hidden beast` number, since 20 + 3 + 0 + 320 + 301 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 197650487241 + 5381542881 = 444579^2 + 73359^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11279557229 = 203032030122 / (2 + 0 + 3 + 0 + 3 + 2 + 0 + 3 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 203032030095 and 203032030104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5639778597 + ... + 5639778632.

Almost surely, 2203032030122 is an apocalyptic number.

203032030122 is an abundant number, since it is smaller than the sum of its proper divisors (236870701848).

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

203032030122 is a wasteful number, since it uses less digits than its factorization.

203032030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11279557237 (or 11279557234 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 203032030122 its reverse (221030230302), we get a palindrome (424062260424).

The spelling of 203032030122 in words is "two hundred three billion, thirty-two million, thirty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 11279557229 22559114458 33838671687 67677343374 101516015061 203032030122