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253540211140230 = 23572172476334109
BaseRepresentation
bin111001101001011111101110…
…001110001010011010000110
31020020201012121020121212211220
4321221133232032022122012
5231213000323022441410
62255122433125541210
7104255450534156400
oct7151375616123206
91206635536555756
10253540211140230
1173870888455403
122452995b874806
13ab6197c399c01
1446875a9997b70
151e4a269368070
hexe697ee38a686

253540211140230 has 48 divisors (see below), whose sum is σ = 707842875187440. Its totient is φ = 57952048260288.

The previous prime is 253540211140187. The next prime is 253540211140231. The reversal of 253540211140230 is 32041112045352.

It is a junction number, because it is equal to n+sod(n) for n = 253540211140191 and 253540211140200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253540211140231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86238165585 + ... + 86238168524.

It is an arithmetic number, because the mean of its divisors is an integer number (14746726566405).

Almost surely, 2253540211140230 is an apocalyptic number.

253540211140230 is an abundant number, since it is smaller than the sum of its proper divisors (454302664047210).

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

253540211140230 is a wasteful number, since it uses less digits than its factorization.

253540211140230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172476334133 (or 172476334126 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 253540211140230 its reverse (32041112045352), we get a palindrome (285581323185582).

The spelling of 253540211140230 in words is "two hundred fifty-three trillion, five hundred forty billion, two hundred eleven million, one hundred forty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 172476334109 344952668218 517429002327 862381670545 1034858004654 1207334338763 1724763341090 2414668677526 2587145011635 3622003016289 5174290023270 6036671693815 7244006032578 8451340371341 12073343387630 16902680742682 18110015081445 25354021114023 36220030162890 42256701856705 50708042228046 84513403713410 126770105570115 253540211140230