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25223232252 = 22347317141079
BaseRepresentation
bin10111011111011010…
…111111101011111100
32102002211221221220010
4113133122333223330
5403124121413002
615330513223220
71552024636161
oct273732775374
972084857803
1025223232252
11a773947799
124a7b261b10
1324bc8661ca
141313c96068
159c95ba46c
hex5df6bfafc

25223232252 has 48 divisors (see below), whose sum is σ = 60296463360. Its totient is φ = 8202839232.

The previous prime is 25223232247. The next prime is 25223232253.

25223232252 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×252232322522 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25223232253) 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, 108249 + ... + 249327.

It is an arithmetic number, because the mean of its divisors is an integer number (1256176320).

Almost surely, 225223232252 is an apocalyptic number.

It is an amenable number.

25223232252 is an abundant number, since it is smaller than the sum of its proper divisors (35073231108).

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

25223232252 is a wasteful number, since it uses less digits than its factorization.

25223232252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141450 (or 141448 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The spelling of 25223232252 in words is "twenty-five billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 317 564 634 951 1268 1902 3804 14899 29798 44697 59596 89394 141079 178788 282158 423237 564316 846474 1692948 6630713 13261426 19892139 26522852 39784278 44722043 79568556 89444086 134166129 178888172 268332258 536664516 2101936021 4203872042 6305808063 8407744084 12611616126 25223232252