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10689881252 = 2259359126173
BaseRepresentation
bin10011111010010101…
…01010010010100100
31000120222220020021212
421331022222102210
5133343102200002
64524425130552
7525622330361
oct117512522244
930528806255
1010689881252
114596183006
1220a4029a58
1310148c5c2b
14735a25468
15428732352
hex27d2aa4a4

10689881252 has 24 divisors (see below), whose sum is σ = 19077508800. Its totient is φ = 5239670816.

The previous prime is 10689881243. The next prime is 10689881297. The reversal of 10689881252 is 25218898601.

It is a super-2 number, since 2×106898812522 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10689881252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21638 + ... + 147810.

It is an arithmetic number, because the mean of its divisors is an integer number (794896200).

Almost surely, 210689881252 is an apocalyptic number.

It is an amenable number.

10689881252 is a deficient number, since it is larger than the sum of its proper divisors (8387627548).

10689881252 is a wasteful number, since it uses less digits than its factorization.

10689881252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126595 (or 126593 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 50.

The spelling of 10689881252 in words is "ten billion, six hundred eighty-nine million, eight hundred eighty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 59 118 236 359 718 1436 21181 42362 84724 126173 252346 504692 7444207 14888414 29776828 45296107 90592214 181184428 2672470313 5344940626 10689881252