Search a number
-
+
25032212001 = 338910417067
BaseRepresentation
bin10111010100000010…
…010011111000100001
32101121112112010101000
4113110002103320201
5402231221241001
615255531102213
71544215201626
oct272402237041
971545463330
1025032212001
11a686038415
124a272a1969
13248c104284
1412d677034d
159b7936a86
hex5d4093e21

25032212001 has 16 divisors (see below), whose sum is σ = 37501444800. Its totient is φ = 16500632544.

The previous prime is 25032211999. The next prime is 25032212047. The reversal of 25032212001 is 10021223052.

It is not a de Polignac number, because 25032212001 - 21 = 25032211999 is a prime.

It is a super-2 number, since 2×250322120012 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25032212501) 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, 5206131 + ... + 5210936.

It is an arithmetic number, because the mean of its divisors is an integer number (2343840300).

Almost surely, 225032212001 is an apocalyptic number.

It is an amenable number.

25032212001 is a deficient number, since it is larger than the sum of its proper divisors (12469232799).

25032212001 is a wasteful number, since it uses less digits than its factorization.

25032212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10417165 (or 10417159 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 25032212001 its reverse (10021223052), we get a palindrome (35053435053).

The spelling of 25032212001 in words is "twenty-five billion, thirty-two million, two hundred twelve thousand, one".

Divisors: 1 3 9 27 89 267 801 2403 10417067 31251201 93753603 281260809 927118963 2781356889 8344070667 25032212001