Search a number
-
+
255013213522130 = 25722922380475511
BaseRepresentation
bin111001111110111011100100…
…000000010100100011010010
31020102221000200022110220212222
4321332323210000110203102
5231411114030130202010
62302211241503021042
7104500045105632200
oct7176734400244322
91212830608426788
10255013213522130
1174289550941718
122472732929a782
13ac3a848457b5b
1446d89c3842070
151e7372b49d355
hexe7eee40148d2

255013213522130 has 96 divisors (see below), whose sum is σ = 554856122096640. Its totient is φ = 84039609386880.

The previous prime is 255013213522127. The next prime is 255013213522141. The reversal of 255013213522130 is 31225312310552.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37068926 + ... + 43406585.

It is an arithmetic number, because the mean of its divisors is an integer number (5779751271840).

Almost surely, 2255013213522130 is an apocalyptic number.

255013213522130 is an abundant number, since it is smaller than the sum of its proper divisors (299842908574510).

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

255013213522130 is a wasteful number, since it uses less digits than its factorization.

255013213522130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80475784 (or 80475777 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 255013213522130 its reverse (31225312310552), we get a palindrome (286238525832682).

The spelling of 255013213522130 in words is "two hundred fifty-five trillion, thirteen billion, two hundred thirteen million, five hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 29 35 49 58 70 98 145 203 223 245 290 406 446 490 1015 1115 1421 1561 2030 2230 2842 3122 6467 7105 7805 10927 12934 14210 15610 21854 32335 45269 54635 64670 90538 109270 226345 316883 452690 633766 1584415 3168830 80475511 160951022 402377555 563328577 804755110 1126657154 2333789819 2816642885 3943300039 4667579638 5633285770 7886600078 11668949095 16336528733 17946038953 19716500195 23337898190 32673057466 35892077906 39433000390 81682643665 89730194765 114355701131 125622272671 163365287330 179460389530 228711402262 251244545342 520435129637 571778505655 628111363355 879355908697 1040870259274 1143557011310 1256222726710 1758711817394 2602175648185 3643045907459 4396779543485 5204351296370 7286091814918 8793559086970 18215229537295 25501321352213 36430459074590 51002642704426 127506606761065 255013213522130