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230215513252 = 2257553878313
BaseRepresentation
bin1101011001100111101…
…0011111010010100100
3211000020010002210110211
43112121322133102210
512232440132411002
6253432021225204
722426645401244
oct3263172372244
9730203083424
10230215513252
11896a772355a
123874a862204
131892b2406ba
14b1dcdc9b24
155ec5e6ddd7
hex3599e9f4a4

230215513252 has 6 divisors (see below), whose sum is σ = 402877148198. Its totient is φ = 115107756624.

The previous prime is 230215513247. The next prime is 230215513267. The reversal of 230215513252 is 252315512032.

It can be written as a sum of positive squares in only one way, i.e., 195420580096 + 34794933156 = 442064^2 + 186534^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28776939153 + ... + 28776939160.

Almost surely, 2230215513252 is an apocalyptic number.

It is an amenable number.

230215513252 is a deficient number, since it is larger than the sum of its proper divisors (172661634946).

230215513252 is a wasteful number, since it uses less digits than its factorization.

230215513252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57553878317 (or 57553878315 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 230215513252 in words is "two hundred thirty billion, two hundred fifteen million, five hundred thirteen thousand, two hundred fifty-two".

Divisors: 1 2 4 57553878313 115107756626 230215513252