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230144402442 = 231731710310247
BaseRepresentation
bin1101011001010110101…
…1001110010000001010
3211000001011021222210010
43112111223032100022
512232313431334232
6253421001132350
722425123100143
oct3262553162012
9730034258703
10230144402442
1189670573999
123872aa8a0b6
13189195a33b6
14b1d3798aca
155ebeac40cc
hex3595ace40a

230144402442 has 64 divisors (see below), whose sum is σ = 503205986304. Its totient is φ = 69856408320.

The previous prime is 230144402429. The next prime is 230144402461. The reversal of 230144402442 is 244204441032.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22454563 + ... + 22464809.

It is an arithmetic number, because the mean of its divisors is an integer number (7862593536).

Almost surely, 2230144402442 is an apocalyptic number.

230144402442 is an abundant number, since it is smaller than the sum of its proper divisors (273061583862).

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

230144402442 is a wasteful number, since it uses less digits than its factorization.

230144402442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17403.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 230144402442 its reverse (244204441032), we get a palindrome (474348843474).

The spelling of 230144402442 in words is "two hundred thirty billion, one hundred forty-four million, four hundred two thousand, four hundred forty-two".

Divisors: 1 2 3 6 17 31 34 51 62 93 102 186 527 1054 1581 3162 7103 10247 14206 20494 21309 30741 42618 61482 120751 174199 220193 241502 317657 348398 362253 440386 522597 635314 660579 724506 952971 1045194 1321158 1905942 3743281 5400169 7486562 10800338 11229843 16200507 22459686 32401014 72784441 145568882 218353323 436706646 1237335497 2256317671 2474670994 3712006491 4512635342 6768953013 7424012982 13537906026 38357400407 76714800814 115072201221 230144402442