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23224313020421 = 433138247387971
BaseRepresentation
bin1010100011111010101001…
…11011011000000000000101
310001020020000022020212121002
411101331110323120000011
511021001343113123141
6121221034020103045
74614621061342322
oct521752473300005
9101206008225532
1023224313020421
117444415275017
12273103b534a85
13cc6074238506
145a40c4273b49
152a41b7271e9b
hex151f54ed8005

23224313020421 has 8 divisors (see below), whose sum is σ = 23278177226304. Its totient is φ = 23170449867840.

The previous prime is 23224313020411. The next prime is 23224313020439. The reversal of 23224313020421 is 12402031342232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23224313020421 is a prime.

It is a super-4 number, since 4×232243130204214 (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23224313020411) 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, 59666966 + ... + 60054936.

It is an arithmetic number, because the mean of its divisors is an integer number (2909772153288).

Almost surely, 223224313020421 is an apocalyptic number.

It is an amenable number.

23224313020421 is a deficient number, since it is larger than the sum of its proper divisors (53864205883).

23224313020421 is a wasteful number, since it uses less digits than its factorization.

23224313020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526651.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 23224313020421 its reverse (12402031342232), we get a palindrome (35626344362653).

The spelling of 23224313020421 in words is "twenty-three trillion, two hundred twenty-four billion, three hundred thirteen million, twenty thousand, four hundred twenty-one".

Divisors: 1 433 138247 387971 59860951 167991443 53635826837 23224313020421