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255355423031430 = 23255415244514747
BaseRepresentation
bin111010000011111010010001…
…010010000000000010000110
31020111010201222111001012002100
4322003322101102000002012
5231432220401244001210
62303032354544252530
7104533551300521451
oct7203722122000206
91214121874035070
10255355423031430
1174400699220aa7
1224781712611146
13ac63bb4019a67
14470b3a8786498
151e7c5a95dd5c0
hexe83e91480086

255355423031430 has 48 divisors (see below), whose sum is σ = 665151316459344. Its totient is φ = 67968911108160.

The previous prime is 255355423031399. The next prime is 255355423031447. The reversal of 255355423031430 is 34130324553552.

255355423031430 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 5 + 542 + 30 + 31 + 43 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2622208684 + ... + 2622306063.

It is an arithmetic number, because the mean of its divisors is an integer number (13857319092903).

Almost surely, 2255355423031430 is an apocalyptic number.

255355423031430 is an abundant number, since it is smaller than the sum of its proper divisors (409795893427914).

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

255355423031430 is a wasteful number, since it uses less digits than its factorization.

255355423031430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244515301 (or 5244515298 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 45.

Adding to 255355423031430 its reverse (34130324553552), we get a palindrome (289485747584982).

The spelling of 255355423031430 in words is "two hundred fifty-five trillion, three hundred fifty-five billion, four hundred twenty-three million, thirty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 541 1082 1623 2705 3246 4869 5410 8115 9738 16230 24345 48690 5244514747 10489029494 15733544241 26222573735 31467088482 47200632723 52445147470 78667721205 94401265446 157335442410 236003163615 472006327230 2837282478127 5674564956254 8511847434381 14186412390635 17023694868762 25535542303143 28372824781270 42559237171905 51071084606286 85118474343810 127677711515715 255355423031430