Search a number
-
+
255707061752 = 23192971817039
BaseRepresentation
bin1110111000100101010…
…1000001110111111000
3220110000122221122001202
43232021111001313320
513142142001434002
6313245321433332
724321442106522
oct3561125016770
9813018848052
10255707061752
1199498a7420a
124168393b848
131b1615601cc
14c53a768a12
1569b8d8a502
hex3b89541df8

255707061752 has 64 divisors (see below), whose sum is σ = 529441920000. Its totient is φ = 115300402560.

The previous prime is 255707061749. The next prime is 255707061761. The reversal of 255707061752 is 257160707552.

It is a super-2 number, since 2×2557070617522 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255707061697 and 255707061706.

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, 95552 + ... + 721487.

It is an arithmetic number, because the mean of its divisors is an integer number (8272530000).

Almost surely, 2255707061752 is an apocalyptic number.

It is an amenable number.

255707061752 is an abundant number, since it is smaller than the sum of its proper divisors (273734858248).

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

255707061752 is a wasteful number, since it uses less digits than its factorization.

255707061752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817164 (or 817160 counting only the distinct ones).

The product of its (nonzero) digits is 1029000, while the sum is 47.

The spelling of 255707061752 in words is "two hundred fifty-five billion, seven hundred seven million, sixty-one thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 19 29 38 58 71 76 116 142 152 232 284 551 568 1102 1349 2059 2204 2698 4118 4408 5396 8236 10792 16472 39121 78242 156484 312968 817039 1634078 3268156 6536312 15523741 23694131 31047482 47388262 58009769 62094964 94776524 116019538 124189928 189553048 232039076 450188489 464078152 900376978 1102185611 1682283301 1800753956 2204371222 3364566602 3601507912 4408742444 6729133204 8817484888 13458266408 31963382719 63926765438 127853530876 255707061752