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25083638052 = 223111011881461
BaseRepresentation
bin10111010111000110…
…011111000100100100
32101202010021211122120
4113113012133010210
5402332402404202
615305005225540
71545411256044
oct272706370444
971663254576
1025083638052
11a702072590
124a405622b0
13249996b7a5
1412dd519724
159bc1e40bc
hex5d719f124

25083638052 has 48 divisors (see below), whose sum is σ = 64481465664. Its totient is φ = 7525840000.

The previous prime is 25083638051. The next prime is 25083638077.

25083638052 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 25083637995 and 25083638013.

It is not an unprimeable number, because it can be changed into a prime (25083638051) 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, 927399 + ... + 954062.

It is an arithmetic number, because the mean of its divisors is an integer number (1343363868).

Almost surely, 225083638052 is an apocalyptic number.

25083638052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25083638052 is an abundant number, since it is smaller than the sum of its proper divisors (39397827612).

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

25083638052 is a wasteful number, since it uses less digits than its factorization.

25083638052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881580 (or 1881578 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 25083638052 in words is "twenty-five billion, eighty-three million, six hundred thirty-eight thousand, fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 101 132 202 303 404 606 1111 1212 2222 3333 4444 6666 13332 1881461 3762922 5644383 7525844 11288766 20696071 22577532 41392142 62088213 82784284 124176426 190027561 248352852 380055122 570082683 760110244 1140165366 2090303171 2280330732 4180606342 6270909513 8361212684 12541819026 25083638052