Search a number
-
+
25058199606 = 23113788311621
BaseRepresentation
bin10111010101100101…
…011100100000110110
32101200100102102122220
4113111211130200312
5402304344341411
615302300103210
71544652116346
oct272545344066
971610372586
1025058199606
11a699778280
124a33b34b06
132494602b5b
1412d9db6d26
159b9d6bb06
hex5d595c836

25058199606 has 64 divisors (see below), whose sum is σ = 56218496256. Its totient is φ = 7379164800.

The previous prime is 25058199581. The next prime is 25058199611. The reversal of 25058199606 is 60699185052.

It is a super-3 number, since 3×250581996063 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2150476 + ... + 2162096.

It is an arithmetic number, because the mean of its divisors is an integer number (878414004).

Almost surely, 225058199606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25058199606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28109248128).

25058199606 is an abundant number, since it is smaller than the sum of its proper divisors (31160296650).

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

25058199606 is a wasteful number, since it uses less digits than its factorization.

25058199606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12557.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 25058199606 in words is "twenty-five billion, fifty-eight million, one hundred ninety-nine thousand, six hundred six".

Divisors: 1 2 3 6 11 22 33 37 66 74 111 222 407 814 883 1221 1766 2442 2649 5298 9713 11621 19426 23242 29139 32671 34863 58278 65342 69726 98013 127831 196026 255662 359381 383493 429977 718762 766986 859954 1078143 1289931 2156286 2579862 4729747 9459494 10261343 14189241 20522686 28378482 30784029 61568058 112874773 225749546 338624319 379669691 677248638 759339382 1139009073 2278018146 4176366601 8352733202 12529099803 25058199606