Search a number
-
+
25528333001 = 1313474311303
BaseRepresentation
bin10111110001100110…
…110111001011001001
32102220010001200102212
4113301212313023021
5404240223124001
615421052434505
71562421151553
oct276146671311
972803050385
1025528333001
11a910095476
124b45478a35
13253ab2b8b2
1413425d64d3
159e62857bb
hex5f19b72c9

25528333001 has 16 divisors (see below), whose sum is σ = 25877035008. Its totient is φ = 25182502800.

The previous prime is 25528332997. The next prime is 25528333021. The reversal of 25528333001 is 10033382552.

It is a cyclic number.

It is not a de Polignac number, because 25528333001 - 22 = 25528332997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25528333021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19591316 + ... + 19592618.

It is an arithmetic number, because the mean of its divisors is an integer number (1617314688).

Almost surely, 225528333001 is an apocalyptic number.

It is an amenable number.

25528333001 is a deficient number, since it is larger than the sum of its proper divisors (348702007).

25528333001 is a wasteful number, since it uses less digits than its factorization.

25528333001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 25528333001 in words is "twenty-five billion, five hundred twenty-eight million, three hundred thirty-three thousand, one".

Divisors: 1 131 347 431 1303 45457 56461 149557 170693 452141 561593 19591967 59230471 73568683 194872771 25528333001