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231516104232 = 23371378072049
BaseRepresentation
bin1101011110011101101…
…1110110011000101000
3211010120202101122220010
43113213123312120220
512243121110313412
6254205041331520
722504120262550
oct3274733663050
9733522348803
10231516104232
118a204894836
1238a52336ba0
1318aa782466a
14b2c3a22160
15605022933c
hex35e76f6628

231516104232 has 32 divisors (see below), whose sum is σ = 661474584000. Its totient is φ = 66147458304.

The previous prime is 231516104219. The next prime is 231516104243. The reversal of 231516104232 is 232401615132.

231516104232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231516104232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689035857 + ... + 689036192.

It is an arithmetic number, because the mean of its divisors is an integer number (20671080750).

Almost surely, 2231516104232 is an apocalyptic number.

It is an amenable number.

231516104232 is an abundant number, since it is smaller than the sum of its proper divisors (429958479768).

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

231516104232 is a wasteful number, since it uses less digits than its factorization.

231516104232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378072065 (or 1378072061 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 231516104232 its reverse (232401615132), we get a palindrome (463917719364).

The spelling of 231516104232 in words is "two hundred thirty-one billion, five hundred sixteen million, one hundred four thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1378072049 2756144098 4134216147 5512288196 8268432294 9646504343 11024576392 16536864588 19293008686 28939513029 33073729176 38586017372 57879026058 77172034744 115758052116 231516104232