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231430044030 = 23547164134783
BaseRepresentation
bin1101011110001001001…
…1100011100101111110
3211010100202110100111020
43113202103203211332
512242432042402110
6254152325005010
722502023626303
oct3274223434576
9733322410436
10231430044030
118a1702544a9
1238a29553766
1318a92a51a73
14b2b641d0aa
1560478c9d70
hex35e24e397e

231430044030 has 32 divisors (see below), whose sum is σ = 567249813504. Its totient is φ = 60401599776.

The previous prime is 231430043939. The next prime is 231430044133. The reversal of 231430044030 is 30440034132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82065982 + ... + 82068801.

It is an arithmetic number, because the mean of its divisors is an integer number (17726556672).

Almost surely, 2231430044030 is an apocalyptic number.

231430044030 is an abundant number, since it is smaller than the sum of its proper divisors (335819769474).

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

231430044030 is a wasteful number, since it uses less digits than its factorization.

231430044030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164134840.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 231430044030 its reverse (30440034132), we get a palindrome (261870078162).

The spelling of 231430044030 in words is "two hundred thirty-one billion, four hundred thirty million, forty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 164134783 328269566 492404349 820673915 984808698 1641347830 2462021745 4924043490 7714334801 15428669602 23143004403 38571674005 46286008806 77143348010 115715022015 231430044030