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213101253525 = 352157110916319
BaseRepresentation
bin1100011001110111010…
…0110001001110010101
3202101001101121022200110
43012131310301032111
511442412410103100
6241521455233233
721252563524266
oct3063564611625
9671041538613
10213101253525
1182415113956
1235373218819
13171316830b4
14a45808696d
155823727250
hex319dd31395

213101253525 has 48 divisors (see below), whose sum is σ = 354912998400. Its totient is φ = 112821346560.

The previous prime is 213101253511. The next prime is 213101253551. The reversal of 213101253525 is 525352101312.

It is not a de Polignac number, because 213101253525 - 26 = 213101253461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213101253492 and 213101253501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13050316 + ... + 13066634.

It is an arithmetic number, because the mean of its divisors is an integer number (7394020800).

Almost surely, 2213101253525 is an apocalyptic number.

213101253525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213101253525 is a deficient number, since it is larger than the sum of its proper divisors (141811744875).

213101253525 is a wasteful number, since it uses less digits than its factorization.

213101253525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17598 (or 17593 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 213101253525 its reverse (525352101312), we get a palindrome (738453354837).

The spelling of 213101253525 in words is "two hundred thirteen billion, one hundred one million, two hundred fifty-three thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 157 471 785 1109 2355 3327 3925 5545 11775 16319 16635 27725 48957 81595 83175 174113 244785 407975 522339 870565 1223925 2562083 2611695 4352825 7686249 12810415 13058475 18097771 38431245 54293313 64052075 90488855 192156225 271466565 452444275 1357332825 2841350047 8524050141 14206750235 42620250705 71033751175 213101253525