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2233420021 = 72767115309
BaseRepresentation
bin1000010100011111…
…0100100011110101
312202122120111022001
42011013310203311
514033223420041
61005341535301
7106226520430
oct20507644365
95678514261
102233420021
11a46786578
12523b74531
13297933211
1417289a817
15d111e131
hex851f48f5

2233420021 has 8 divisors (see below), whose sum is σ = 2553424640. Its totient is φ = 1913651568.

The previous prime is 2233420001. The next prime is 2233420031. The reversal of 2233420021 is 1200243322.

2233420021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2233420021 - 29 = 2233419509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233420001) 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, 38286 + ... + 77023.

It is an arithmetic number, because the mean of its divisors is an integer number (319178080).

Almost surely, 22233420021 is an apocalyptic number.

It is an amenable number.

2233420021 is a deficient number, since it is larger than the sum of its proper divisors (320004619).

2233420021 is a wasteful number, since it uses less digits than its factorization.

2233420021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118083.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2233420021 is about 47259.0734251107. The cubic root of 2233420021 is about 1307.1441040062.

Adding to 2233420021 its reverse (1200243322), we get a palindrome (3433663343).

The spelling of 2233420021 in words is "two billion, two hundred thirty-three million, four hundred twenty thousand, twenty-one".

Divisors: 1 7 2767 19369 115309 807163 319060003 2233420021