Search a number
-
+
32103212021 = 238316816769
BaseRepresentation
bin11101111001100000…
…000010001111110101
310001212022212010212122
4131321200002033311
51011221410241041
622425323125325
72214355541216
oct357140021765
9101768763778
1032103212021
1112684476391
12627b373845
133048038c5a
1417a78cd40d
15c7d5c7c4b
hex7798023f5

32103212021 has 8 divisors (see below), whose sum is σ = 33902608320. Its totient is φ = 30337449472.

The previous prime is 32103212017. The next prime is 32103212059. The reversal of 32103212021 is 12021230123.

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 32103212021 - 22 = 32103212017 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 (32103212321) 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, 8406476 + ... + 8410293.

It is an arithmetic number, because the mean of its divisors is an integer number (4237826040).

Almost surely, 232103212021 is an apocalyptic number.

It is an amenable number.

32103212021 is a deficient number, since it is larger than the sum of its proper divisors (1799396299).

32103212021 is a wasteful number, since it uses less digits than its factorization.

32103212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16816875.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32103212021 its reverse (12021230123), we get a palindrome (44124442144).

The spelling of 32103212021 in words is "thirty-two billion, one hundred three million, two hundred twelve thousand, twenty-one".

Divisors: 1 23 83 1909 16816769 386785687 1395791827 32103212021