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121045520230231 = 374783683985061
BaseRepresentation
bin11011100001011100011011…
…001111000010011101010111
3120212120211122102112202012111
4123201130123033002131113
5111331202211134331411
61105235313323531451
734332151555413532
oct3341343317023527
9525524572482174
10121045520230231
1135629131579893
12116ab523989b87
13527070b32288c
1421c68c4c85a19
15deda1231c721
hex6e171b3c2757

121045520230231 has 8 divisors (see below), whose sum is σ = 124343012391104. Its totient is φ = 117749396049120.

The previous prime is 121045520230207. The next prime is 121045520230273. The reversal of 121045520230231 is 132032025540121.

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 121045520230231 - 29 = 121045520229719 is a prime.

It is a super-2 number, since 2×1210455202302312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121045520230193 and 121045520230202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121045520230631) 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, 341815560 + ... + 342169501.

It is an arithmetic number, because the mean of its divisors is an integer number (15542876548888).

Almost surely, 2121045520230231 is an apocalyptic number.

121045520230231 is a deficient number, since it is larger than the sum of its proper divisors (3297492160873).

121045520230231 is an equidigital number, since it uses as much as digits as its factorization.

121045520230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683989881.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 121045520230231 its reverse (132032025540121), we get a palindrome (253077545770352).

The spelling of 121045520230231 in words is "one hundred twenty-one trillion, forty-five billion, five hundred twenty million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 37 4783 176971 683985061 25307447257 3271500546763 121045520230231