Search a number
-
+
2231320123222 = 21774762864713
BaseRepresentation
bin100000011110000101000…
…010110001011101010110
321220022102112110122110021
4200132011002301131112
5243024220422420342
64425015422015354
7320131123052461
oct40360502613526
97808375418407
102231320123222
11790330048143
1230054071755a
131325495aab28
1479dd44582d8
153d095de3567
hex207850b1756

2231320123222 has 8 divisors (see below), whose sum is σ = 3347168832216. Its totient is φ = 1115597179152.

The previous prime is 2231320123217. The next prime is 2231320123229. The reversal of 2231320123222 is 2223210231322.

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

It is a super-3 number, since 3×22313201232223 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231320123229) 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, 31396863 + ... + 31467850.

It is an arithmetic number, because the mean of its divisors is an integer number (418396104027).

Almost surely, 22231320123222 is an apocalyptic number.

2231320123222 is a deficient number, since it is larger than the sum of its proper divisors (1115848708994).

2231320123222 is a wasteful number, since it uses less digits than its factorization.

2231320123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62882462.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2231320123222 its reverse (2223210231322), we get a palindrome (4454530354544).

The spelling of 2231320123222 in words is "two trillion, two hundred thirty-one billion, three hundred twenty million, one hundred twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 17747 35494 62864713 125729426 1115660061611 2231320123222