Search a number
-
+
25250153790 = 2353127150703
BaseRepresentation
bin10111100001000001…
…101100010100111110
32102011201121201022010
4113201001230110332
5403203014410130
615333314232050
71552502523501
oct274101542476
972151551263
1025250153790
11a7880652a4
124a88285626
1324c5300c04
1413176a3138
159cbb370b0
hex5e106c53e

25250153790 has 32 divisors (see below), whose sum is σ = 62555222016. Its totient is φ = 6516168480.

The previous prime is 25250153671. The next prime is 25250153801. The reversal of 25250153790 is 9735105252.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13574422 + ... + 13576281.

It is an arithmetic number, because the mean of its divisors is an integer number (1954850688).

Almost surely, 225250153790 is an apocalyptic number.

25250153790 is an abundant number, since it is smaller than the sum of its proper divisors (37305068226).

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

25250153790 is a wasteful number, since it uses less digits than its factorization.

25250153790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27150744.

The product of its (nonzero) digits is 94500, while the sum is 39.

The spelling of 25250153790 in words is "twenty-five billion, two hundred fifty million, one hundred fifty-three thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 27150703 54301406 81452109 135753515 162904218 271507030 407260545 814521090 841671793 1683343586 2525015379 4208358965 5050030758 8416717930 12625076895 25250153790