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25234000002 = 2321937263673
BaseRepresentation
bin10111100000000100…
…000100100010000010
32102010121020000110200
4113200010010202002
5403134401000002
615331540110030
71552215314061
oct274004044202
972117200420
1025234000002
11a779a31762
124a82995316
1324c1b66363
14131549a1d8
159ca4e5b1c
hex5e0104882

25234000002 has 24 divisors (see below), whose sum is σ = 54956957484. Its totient is φ = 8367750144.

The previous prime is 25233999979. The next prime is 25234000003. The reversal of 25234000002 is 20000043252.

It can be written as a sum of positive squares in 2 ways, for example, as 24733538361 + 500461641 = 157269^2 + 22371^2 .

It is a super-2 number, since 2×252340000022 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (25234000003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3628363 + ... + 3635310.

Almost surely, 225234000002 is an apocalyptic number.

25234000002 is an abundant number, since it is smaller than the sum of its proper divisors (29722957482).

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

25234000002 is a wasteful number, since it uses less digits than its factorization.

25234000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263874 (or 7263871 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 25234000002 its reverse (20000043252), we get a palindrome (45234043254).

The spelling of 25234000002 in words is "twenty-five billion, two hundred thirty-four million, two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 193 386 579 1158 1737 3474 7263673 14527346 21791019 43582038 65373057 130746114 1401888889 2803777778 4205666667 8411333334 12617000001 25234000002