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32105422021 = 199201779987
BaseRepresentation
bin11101111001101000…
…011101110011000101
310001212111000102102111
4131321220131303011
51011222442001041
622425442341021
72214413404321
oct357150356305
9101774012374
1032105422021
1112685745832
12628005a771
133048630b4a
1417a7d06981
15c7d8b2981
hex779a1dcc5

32105422021 has 8 divisors (see below), whose sum is σ = 32283156800. Its totient is φ = 31927851648.

The previous prime is 32105421923. The next prime is 32105422049. The reversal of 32105422021 is 12022450123.

It is a happy number.

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 32105422021 - 229 = 31568551109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32105421983 and 32105422001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32105428021) 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, 361390 + ... + 441376.

It is an arithmetic number, because the mean of its divisors is an integer number (4035394600).

Almost surely, 232105422021 is an apocalyptic number.

It is an amenable number.

32105422021 is a deficient number, since it is larger than the sum of its proper divisors (177734779).

32105422021 is a wasteful number, since it uses less digits than its factorization.

32105422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82203.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 32105422021 its reverse (12022450123), we get a palindrome (44127872144).

The spelling of 32105422021 in words is "thirty-two billion, one hundred five million, four hundred twenty-two thousand, twenty-one".

Divisors: 1 199 2017 79987 401383 15917413 161333779 32105422021