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202130031234 = 23128947515501
BaseRepresentation
bin1011110000111111100…
…0111000001010000010
3201022201210022111001010
42330033320320022002
511302430241444414
6232505100021350
720413653626415
oct2741770701202
9638653274033
10202130031234
11787a515119a
1233210b31856
13160a36c32a1
149ad6d47b7c
1553d046e959
hex2f0fe38282

202130031234 has 32 divisors (see below), whose sum is σ = 404732401920. Its totient is φ = 67298000000.

The previous prime is 202130031227. The next prime is 202130031241. The reversal of 202130031234 is 432130031202.

It is an interprime number because it is at equal distance from previous prime (202130031227) and next prime (202130031241).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202130031234.

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, 36741484 + ... + 36746984.

It is an arithmetic number, because the mean of its divisors is an integer number (12647887560).

Almost surely, 2202130031234 is an apocalyptic number.

202130031234 is an abundant number, since it is smaller than the sum of its proper divisors (202602370686).

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

202130031234 is a wasteful number, since it uses less digits than its factorization.

202130031234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11546.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 202130031234 its reverse (432130031202), we get a palindrome (634260062436).

The spelling of 202130031234 in words is "two hundred two billion, one hundred thirty million, thirty-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 1289 2578 3867 4751 5501 7734 9502 11002 14253 16503 28506 33006 6124039 7090789 12248078 14181578 18372117 21272367 26135251 36744234 42544734 52270502 78405753 156811506 33688338539 67376677078 101065015617 202130031234