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23780253743 = 167142396729
BaseRepresentation
bin10110001001011010…
…011110000000101111
32021101021202001111122
4112021122132000233
5342200221104433
614531405211155
71501203551561
oct261132360057
967337661448
1023780253743
11a0a3373674
124737b60abb
13231c91a27c
141218397331
15942a86198
hex58969e02f

23780253743 has 4 divisors (see below), whose sum is σ = 23922650640. Its totient is φ = 23637856848.

The previous prime is 23780253737. The next prime is 23780253781. The reversal of 23780253743 is 34735208732.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23780253743 - 24 = 23780253727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23780253694 and 23780253703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23780253703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71198198 + ... + 71198531.

It is an arithmetic number, because the mean of its divisors is an integer number (5980662660).

Almost surely, 223780253743 is an apocalyptic number.

23780253743 is a deficient number, since it is larger than the sum of its proper divisors (142396897).

23780253743 is a wasteful number, since it uses less digits than its factorization.

23780253743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142396896.

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 23780253743 in words is "twenty-three billion, seven hundred eighty million, two hundred fifty-three thousand, seven hundred forty-three".

Divisors: 1 167 142396729 23780253743