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230931139364 = 2257732784841
BaseRepresentation
bin1101011100010010010…
…0011000101100100100
3211002001222200100221122
43113010210120230210
512240421332424424
6254031023433112
722453455203612
oct3270444305444
9732058610848
10230931139364
1189a34675aa2
123890a455798
1318a135913c3
14b26a0706b2
156018bcb45e
hex35c4918b24

230931139364 has 6 divisors (see below), whose sum is σ = 404129493894. Its totient is φ = 115465569680.

The previous prime is 230931139349. The next prime is 230931139379. The reversal of 230931139364 is 463931139032.

It is an interprime number because it is at equal distance from previous prime (230931139349) and next prime (230931139379).

It can be written as a sum of positive squares in only one way, i.e., 215453788900 + 15477350464 = 464170^2 + 124408^2 .

It is a super-2 number, since 2×2309311393642 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28866392417 + ... + 28866392424.

It is an arithmetic number, because the mean of its divisors is an integer number (67354915649).

Almost surely, 2230931139364 is an apocalyptic number.

It is an amenable number.

230931139364 is a deficient number, since it is larger than the sum of its proper divisors (173198354530).

230931139364 is a wasteful number, since it uses less digits than its factorization.

230931139364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57732784845 (or 57732784843 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 44.

The spelling of 230931139364 in words is "two hundred thirty billion, nine hundred thirty-one million, one hundred thirty-nine thousand, three hundred sixty-four".

Divisors: 1 2 4 57732784841 115465569682 230931139364