Search a number
-
+
25001942011 = 234759834723
BaseRepresentation
bin10111010010001110…
…110101101111111011
32101112102120020202021
4113102032311233323
5402200444121021
615252530215311
71543400000134
oct272216655773
971472506667
1025001942011
11a66aa430a2
124a19124537
132485a66437
1412d2730c8b
159b4e57c41
hex5d23b5bfb

25001942011 has 32 divisors (see below), whose sum is σ = 27427921920. Its totient is φ = 22727325984.

The previous prime is 25001941949. The next prime is 25001942023. The reversal of 25001942011 is 11024910052.

It is a happy number.

It is not a de Polignac number, because 25001942011 - 213 = 25001933819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25001942071) 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 31 ways as a sum of consecutive naturals, for example, 5291296 + ... + 5296018.

It is an arithmetic number, because the mean of its divisors is an integer number (857122560).

Almost surely, 225001942011 is an apocalyptic number.

25001942011 is a deficient number, since it is larger than the sum of its proper divisors (2425979909).

25001942011 is a wasteful number, since it uses less digits than its factorization.

25001942011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 25001942011 in words is "twenty-five billion, one million, nine hundred forty-two thousand, eleven".

Divisors: 1 23 47 59 83 1081 1357 1909 2773 3901 4723 4897 63779 89723 108629 112631 221981 230159 278657 392009 5105563 5293657 6409111 9016207 13096879 18424423 23128531 301228217 423761729 531956213 1087040957 25001942011