Search a number
-
+
20252450412 = 2234312016373
BaseRepresentation
bin10010110111001000…
…111101111001101100
31221021102120002010000
4102313020331321230
5312434111403122
613145344144300
71314605662635
oct226710757154
957242502100
1020252450412
118652a86827
123b12608090
131ba9a9778c
14da1a3c88c
157d7ed60ac
hex4b723de6c

20252450412 has 60 divisors (see below), whose sum is σ = 54651800896. Its totient is φ = 6533045280.

The previous prime is 20252450401. The next prime is 20252450419. The reversal of 20252450412 is 21405425202.

20252450412 is a `hidden beast` number, since 2 + 0 + 2 + 5 + 245 + 0 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20252450419) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 998143 + ... + 1018230.

Almost surely, 220252450412 is an apocalyptic number.

It is an amenable number.

20252450412 is an abundant number, since it is smaller than the sum of its proper divisors (34399350484).

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

20252450412 is a wasteful number, since it uses less digits than its factorization.

20252450412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016420 (or 2016409 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 20252450412 its reverse (21405425202), we get a palindrome (41657875614).

The spelling of 20252450412 in words is "twenty billion, two hundred fifty-two million, four hundred fifty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 81 93 108 124 162 186 279 324 372 558 837 1116 1674 2511 3348 5022 10044 2016373 4032746 6049119 8065492 12098238 18147357 24196476 36294714 54442071 62507563 72589428 108884142 125015126 163326213 187522689 217768284 250030252 326652426 375045378 562568067 653304852 750090756 1125136134 1687704201 2250272268 3375408402 5063112603 6750816804 10126225206 20252450412