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231613230652616 = 231712668313443307
BaseRepresentation
bin110100101010011010101000…
…010101101001110011001000
31010101002000020021102002101202
4310222122220111221303020
5220324222344021340431
62140333352124203332
766533334525220241
oct6452325025516310
91111060207362352
10231613230652616
116788768a616a3a
1221b88242399548
139c31059723197
14412a1d6907cc8
151bb9bd1c608cb
hexd2a6a8569cc8

231613230652616 has 32 divisors (see below), whose sum is σ = 459824048281440. Its totient is φ = 108993593004288.

The previous prime is 231613230652561. The next prime is 231613230652663. The reversal of 231613230652616 is 616256032316132.

It is a super-2 number, since 2×2316132306526162 (a number of 30 digits) contains 22 as substring.

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, 10507235 + ... + 23950541.

It is an arithmetic number, because the mean of its divisors is an integer number (14369501508795).

Almost surely, 2231613230652616 is an apocalyptic number.

It is an amenable number.

231613230652616 is a deficient number, since it is larger than the sum of its proper divisors (228210817628824).

231613230652616 is a wasteful number, since it uses less digits than its factorization.

231613230652616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13570013 (or 13570009 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 47.

Adding to 231613230652616 its reverse (616256032316132), we get a palindrome (847869262968748).

The spelling of 231613230652616 in words is "two hundred thirty-one trillion, six hundred thirteen billion, two hundred thirty million, six hundred fifty-two thousand, six hundred sixteen".

Divisors: 1 2 4 8 17 34 68 136 126683 253366 506732 1013464 2153611 4307222 8614444 13443307 17228888 26886614 53773228 107546456 228536219 457072438 914144876 1828289752 1703038460681 3406076921362 6812153842724 13624307685448 28951653831577 57903307663154 115806615326308 231613230652616