Search a number
-
+
121030302231010 = 2512103030223101
BaseRepresentation
bin11011100001001110010000…
…001010111110100111100010
3120212112101100212012021210201
4123201032100022332213202
5111330430024332343020
61105224315301215414
734331102500513054
oct3341162012764742
9525471325167721
10121030302231010
11356227323a0827
12116a859740156a
13526c154589a03
1421c5c7db158d4
15ded4212e5a0a
hex6e13902be9e2

121030302231010 has 8 divisors (see below), whose sum is σ = 217854544015836. Its totient is φ = 48412120892400.

The previous prime is 121030302230993. The next prime is 121030302231011. The reversal of 121030302231010 is 10132203030121.

It can be written as a sum of positive squares in 2 ways, for example, as 120301828031961 + 728474199049 = 10968219^2 + 853507^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121030302231011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6051515111541 + ... + 6051515111560.

Almost surely, 2121030302231010 is an apocalyptic number.

121030302231010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121030302231010 is a deficient number, since it is larger than the sum of its proper divisors (96824241784826).

121030302231010 is a wasteful number, since it uses less digits than its factorization.

121030302231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103030223108.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121030302231010 its reverse (10132203030121), we get a palindrome (131162505261131).

The spelling of 121030302231010 in words is "one hundred twenty-one trillion, thirty billion, three hundred two million, two hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 12103030223101 24206060446202 60515151115505 121030302231010