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20243023043 = 532683142357
BaseRepresentation
bin10010110110100101…
…000000010011000011
31221020202211010012012
4102312211000103003
5312424203214133
613144410123135
71314432566615
oct226645002303
957222733165
1020243023043
118648727911
123b0b4204ab
131ba7b46759
14da06a6db5
157d7272b48
hex4b69404c3

20243023043 has 8 divisors (see below), whose sum is σ = 20632799088. Its totient is φ = 19853537184.

The previous prime is 20243023039. The next prime is 20243023049. The reversal of 20243023043 is 34032034202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20243023043 - 22 = 20243023039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20243023049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71021 + ... + 213377.

It is an arithmetic number, because the mean of its divisors is an integer number (2579099886).

Almost surely, 220243023043 is an apocalyptic number.

20243023043 is a deficient number, since it is larger than the sum of its proper divisors (389776045).

20243023043 is a wasteful number, since it uses less digits than its factorization.

20243023043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145093.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 20243023043 its reverse (34032034202), we get a palindrome (54275057245).

The spelling of 20243023043 in words is "twenty billion, two hundred forty-three million, twenty-three thousand, forty-three".

Divisors: 1 53 2683 142199 142357 7544921 381943831 20243023043