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213242420510 = 25719519730851
BaseRepresentation
bin1100011010011000111…
…1010001110100011110
3202101102020020100101022
43012212033101310132
511443210024424020
6241543501044142
721256226444660
oct3064617216436
9671366210338
10213242420510
1182487872789
12353b2556652
13171549ab662
14a46cb12530
155830d0e625
hex31a63d1d1e

213242420510 has 64 divisors (see below), whose sum is σ = 461861844480. Its totient is φ = 69248131200.

The previous prime is 213242420497. The next prime is 213242420533. The reversal of 213242420510 is 15024242312.

It is a self number, because there is not a number n which added to its sum of digits gives 213242420510.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6896585 + ... + 6927435.

It is an arithmetic number, because the mean of its divisors is an integer number (7216591320).

Almost surely, 2213242420510 is an apocalyptic number.

213242420510 is an abundant number, since it is smaller than the sum of its proper divisors (248619423970).

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

213242420510 is a wasteful number, since it uses less digits than its factorization.

213242420510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36081.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 213242420510 its reverse (15024242312), we get a palindrome (228266662822).

The spelling of 213242420510 in words is "two hundred thirteen billion, two hundred forty-two million, four hundred twenty thousand, five hundred ten".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 5197 10394 25985 30851 36379 51970 61702 72758 98743 154255 181895 197486 215957 308510 363790 431914 493715 586169 691201 987430 1079785 1172338 1382402 2159570 2930845 3456005 4103183 5861690 6912010 8206366 20515915 41031830 160332647 320665294 801663235 1122328529 1603326470 2244657058 3046320293 5611642645 6092640586 11223285290 15231601465 21324242051 30463202930 42648484102 106621210255 213242420510