Search a number
-
+
30231000002022 = 2317296382352961
BaseRepresentation
bin1101101111110101101000…
…00001000010110111100110
310222001001111100221201020120
412313322310001002313212
512430301042000031042
6144143532450542410
76240055235121651
oct667726401026746
9128031440851216
1030231000002022
1196a5993420636
123482b78897a06
1313b3a04061591
1476728c624898
1537659ea58dec
hex1b7eb4042de6

30231000002022 has 16 divisors (see below), whose sum is σ = 64018588239792. Its totient is φ = 9484235294720.

The previous prime is 30231000002017. The next prime is 30231000002023. The reversal of 30231000002022 is 22020000013203.

It is a super-2 number, since 2×302310000020222 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30231000001992 and 30231000002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231000002023) 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, 148191176379 + ... + 148191176582.

It is an arithmetic number, because the mean of its divisors is an integer number (4001161764987).

Almost surely, 230231000002022 is an apocalyptic number.

30231000002022 is an abundant number, since it is smaller than the sum of its proper divisors (33787588237770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30231000002022 is a wasteful number, since it uses less digits than its factorization.

30231000002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296382352983.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30231000002022 its reverse (22020000013203), we get a palindrome (52251000015225).

The spelling of 30231000002022 in words is "thirty trillion, two hundred thirty-one billion, two thousand, twenty-two".

Divisors: 1 2 3 6 17 34 51 102 296382352961 592764705922 889147058883 1778294117766 5038500000337 10077000000674 15115500001011 30231000002022