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231023421440334 = 23217772499773311
BaseRepresentation
bin110100100001110101010100…
…111110000100000101001110
31010021222121211110022200120200
4310201311110332010011032
5220240041431342042314
62135202410013554330
766442614514512465
oct6441652476040516
91107877743280520
10231023421440334
116767a5346a9056
1221ab1a784a59a6
139bba5521632a3
144109843c8b9dc
151ba96b18da709
hexd21d54f8414e

231023421440334 has 48 divisors (see below), whose sum is σ = 530001823104000. Its totient is φ = 72476990484480.

The previous prime is 231023421440323. The next prime is 231023421440347. The reversal of 231023421440334 is 433044124320132.

231023421440334 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 2 + 3 + 4 + 214 + 403 + 34 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18751539 + ... + 28524849.

It is an arithmetic number, because the mean of its divisors is an integer number (11041704648000).

Almost surely, 2231023421440334 is an apocalyptic number.

231023421440334 is an abundant number, since it is smaller than the sum of its proper divisors (298978401663666).

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

231023421440334 is a wasteful number, since it uses less digits than its factorization.

231023421440334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9850585 (or 9850582 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 231023421440334 its reverse (433044124320132), we get a palindrome (664067545760466).

The spelling of 231023421440334 in words is "two hundred thirty-one trillion, twenty-three billion, four hundred twenty-one million, four hundred forty thousand, three hundred thirty-four".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 77249 154498 231747 463494 695241 1313233 1390482 2626466 3939699 7879398 9773311 11819097 19546622 23638194 29319933 58639866 87959799 166146287 175919598 332292574 498438861 996877722 1495316583 2990633166 754978501439 1509957002878 2264935504317 4529871008634 6794806512951 12834634524463 13589613025902 25669269048926 38503903573389 77007807146778 115511710720167 231023421440334