Search a number
-
+
212725094399 = 17215745710259
BaseRepresentation
bin1100011000011101100…
…1110101011111111111
3202100002011210110100222
43012013121311133333
511441130111010044
6241420301011555
721240345316406
oct3060731653777
9670064713328
10212725094399
1182241851a44
1235289253bbb
13170a176b22c
14a42012a63d
1558006c28ee
hex31876757ff

212725094399 has 24 divisors (see below), whose sum is σ = 227933574480. Its totient is φ = 198481959936.

The previous prime is 212725094377. The next prime is 212725094401. The reversal of 212725094399 is 993490527212.

It is not a de Polignac number, because 212725094399 - 28 = 212725094143 is a prime.

It is a super-2 number, since 2×2127250943992 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212725094399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212725094999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20730332 + ... + 20740590.

It is an arithmetic number, because the mean of its divisors is an integer number (9497232270).

Almost surely, 2212725094399 is an apocalyptic number.

212725094399 is a deficient number, since it is larger than the sum of its proper divisors (15208480081).

212725094399 is a wasteful number, since it uses less digits than its factorization.

212725094399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10907 (or 10890 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 212725094399 in words is "two hundred twelve billion, seven hundred twenty-five million, ninety-four thousand, three hundred ninety-nine".

Divisors: 1 17 157 289 457 2669 7769 10259 45373 71749 132073 174403 1219733 1610663 2964851 4688363 20735461 27381271 79702171 465481607 736072991 1354936907 12513240847 212725094399