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23066471407643 = 68033390632281
BaseRepresentation
bin1010011111010100101001…
…10101011010000000011011
310000200010121001102011020122
411033222110311122000123
511010410113140021033
6121020331330343455
74600332443642246
oct517522465320033
9100603531364218
1023066471407643
11739348784a154
12270652a72ab8b
13cb420b1c05c1
1459a5cd28825d
152a002a031a98
hex14fa94d5a01b

23066471407643 has 4 divisors (see below), whose sum is σ = 23069862046728. Its totient is φ = 23063080768560.

The previous prime is 23066471407627. The next prime is 23066471407663. The reversal of 23066471407643 is 34670417466032.

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 23066471407643 - 24 = 23066471407627 is a prime.

It is a super-2 number, since 2×230664714076432 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23066471407663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1695309338 + ... + 1695322943.

It is an arithmetic number, because the mean of its divisors is an integer number (5767465511682).

Almost surely, 223066471407643 is an apocalyptic number.

23066471407643 is a deficient number, since it is larger than the sum of its proper divisors (3390639085).

23066471407643 is an equidigital number, since it uses as much as digits as its factorization.

23066471407643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390639084.

The product of its (nonzero) digits is 12192768, while the sum is 53.

The spelling of 23066471407643 in words is "twenty-three trillion, sixty-six billion, four hundred seventy-one million, four hundred seven thousand, six hundred forty-three".

Divisors: 1 6803 3390632281 23066471407643