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231412231232 = 26713281141403
BaseRepresentation
bin1101011110000100111…
…1100110110001000000
3211010022111221100220222
43113201033212301000
512242413012344412
6254150451122212
722501416340040
oct3274117466100
9733274840828
10231412231232
118a161198486
1238a235a3368
1318a8c156050
14b2b3d03720
15604605c072
hex35e13e6c40

231412231232 has 112 divisors (see below), whose sum is σ = 567195199872. Its totient is φ = 91221258240.

The previous prime is 231412231229. The next prime is 231412231243. The reversal of 231412231232 is 232132214132.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 1565843 + ... + 1707245.

It is an arithmetic number, because the mean of its divisors is an integer number (5064242856).

Almost surely, 2231412231232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231412231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283597599936).

231412231232 is an abundant number, since it is smaller than the sum of its proper divisors (335782968640).

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

231412231232 is a wasteful number, since it uses less digits than its factorization.

231412231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141716 (or 141706 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 231412231232 its reverse (232132214132), we get a palindrome (463544445364).

The spelling of 231412231232 in words is "two hundred thirty-one billion, four hundred twelve million, two hundred thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 182 208 224 281 364 416 448 562 728 832 1124 1456 1967 2248 2912 3653 3934 4496 5824 7306 7868 8992 14612 15736 17984 25571 29224 31472 51142 58448 62944 102284 116896 125888 141403 204568 233792 282806 409136 565612 818272 989821 1131224 1636544 1838239 1979642 2262448 3676478 3959284 4524896 7352956 7918568 9049792 12867673 14705912 15837136 25735346 29411824 31674272 39734243 51470692 58823648 63348544 79468486 102941384 117647296 158936972 205882768 278139701 317873944 411765536 516545159 556279402 635747888 823531072 1033090318 1112558804 1271495776 2066180636 2225117608 2542991552 3615816113 4132361272 4450235216 7231632226 8264722544 8900470432 14463264452 16529445088 17800940864 28926528904 33058890176 57853057808 115706115616 231412231232