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20242112434 = 210121056217
BaseRepresentation
bin10010110110100001…
…100001111110110010
31221020201002212001221
4102312201201332302
5312423440044214
613144334415254
71314422055025
oct226641417662
957221085057
1020242112434
118648165745
123b0b06152a
131ba78b812b
14da050b1bc
157d7142e24
hex4b6861fb2

20242112434 has 4 divisors (see below), whose sum is σ = 30363168654. Its totient is φ = 10121056216.

The previous prime is 20242112431. The next prime is 20242112437. The reversal of 20242112434 is 43421124202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43421124202 = 221710562101.

It is an interprime number because it is at equal distance from previous prime (20242112431) and next prime (20242112437).

It can be written as a sum of positive squares in only one way, i.e., 19537050625 + 705061809 = 139775^2 + 26553^2 .

It is a super-3 number, since 3×202421124343 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20242112399 and 20242112408.

It is not an unprimeable number, because it can be changed into a prime (20242112431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060528107 + ... + 5060528110.

Almost surely, 220242112434 is an apocalyptic number.

20242112434 is a deficient number, since it is larger than the sum of its proper divisors (10121056220).

20242112434 is a wasteful number, since it uses less digits than its factorization.

20242112434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10121056219.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20242112434 its reverse (43421124202), we get a palindrome (63663236636).

The spelling of 20242112434 in words is "twenty billion, two hundred forty-two million, one hundred twelve thousand, four hundred thirty-four".

Divisors: 1 2 10121056217 20242112434