Search a number
-
+
25735042788 = 22371323566889
BaseRepresentation
bin10111111101111011…
…011001011011100100
32110102112000121221220
4113331323121123210
5410201132332123
615453355140340
71600511153160
oct277573313344
973375017856
1025735042788
11aa06840604
124ba27446b0
1325718c4c90
141361c43ca0
15a094b7ce3
hex5fded96e4

25735042788 has 48 divisors (see below), whose sum is σ = 73905767040. Its totient is φ = 6787263744.

The previous prime is 25735042783. The next prime is 25735042793. The reversal of 25735042788 is 88724053752.

It is an interprime number because it is at equal distance from previous prime (25735042783) and next prime (25735042793).

It is a self number, because there is not a number n which added to its sum of digits gives 25735042788.

It is not an unprimeable number, because it can be changed into a prime (25735042783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11782353 + ... + 11784536.

It is an arithmetic number, because the mean of its divisors is an integer number (1539703480).

Almost surely, 225735042788 is an apocalyptic number.

25735042788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25735042788 is an abundant number, since it is smaller than the sum of its proper divisors (48170724252).

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

25735042788 is a wasteful number, since it uses less digits than its factorization.

25735042788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23566916 (or 23566914 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 25735042788 in words is "twenty-five billion, seven hundred thirty-five million, forty-two thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 23566889 47133778 70700667 94267556 141401334 164968223 282802668 306369557 329936446 494904669 612739114 659872892 919108671 989809338 1225478228 1838217342 1979618676 2144586899 3676434684 4289173798 6433760697 8578347596 12867521394 25735042788