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231450500530 = 251071777121727
BaseRepresentation
bin1101011110001110000…
…1100101110110110010
3211010102011221122112101
43113203201211312302
512243002312004110
6254154335251014
722502362536244
oct3274341456662
9733364848471
10231450500530
118a1808567a7
1238a34379a6a
1318a97064bc2
14b2b9026094
1560495bb13a
hex35e3865db2

231450500530 has 32 divisors (see below), whose sum is σ = 420744554496. Its totient is φ = 91662599424.

The previous prime is 231450500527. The next prime is 231450500531. The reversal of 231450500530 is 35005054132.

It is not an unprimeable number, because it can be changed into a prime (231450500531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840527 + ... + 1962253.

It is an arithmetic number, because the mean of its divisors is an integer number (13148267328).

Almost surely, 2231450500530 is an apocalyptic number.

231450500530 is a deficient number, since it is larger than the sum of its proper divisors (189294053966).

231450500530 is a wasteful number, since it uses less digits than its factorization.

231450500530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123618.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 231450500530 its reverse (35005054132), we get a palindrome (266455554662).

The spelling of 231450500530 in words is "two hundred thirty-one billion, four hundred fifty million, five hundred thousand, five hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 1777 3554 8885 17770 121727 190139 243454 380278 608635 950695 1217270 1901390 13024789 26049578 65123945 130247890 216308879 432617758 1081544395 2163088790 23145050053 46290100106 115725250265 231450500530