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202102111230 = 2356736737041
BaseRepresentation
bin1011110000111000111…
…0010111101111111110
3201022122211202222222220
42330032032113233332
511302401120024410
6232502221350210
720413164413115
oct2741616275776
9638584688886
10202102111230
1178790411508
1233203708366
131609a998c86
149ad335ac7c
1553ccca7070
hex2f0e397bfe

202102111230 has 16 divisors (see below), whose sum is σ = 485045067024. Its totient is φ = 53893896320.

The previous prime is 202102111229. The next prime is 202102111241. The reversal of 202102111230 is 32111201202.

It is a super-2 number, since 2×2021021112302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368368491 + ... + 3368368550.

It is an arithmetic number, because the mean of its divisors is an integer number (30315316689).

Almost surely, 2202102111230 is an apocalyptic number.

202102111230 is an abundant number, since it is smaller than the sum of its proper divisors (282942955794).

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

202102111230 is a wasteful number, since it uses less digits than its factorization.

202102111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736737051.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 202102111230 its reverse (32111201202), we get a palindrome (234213312432).

The spelling of 202102111230 in words is "two hundred two billion, one hundred two million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 6736737041 13473474082 20210211123 33683685205 40420422246 67367370410 101051055615 202102111230