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120233110213021 = 139248700785617
BaseRepresentation
bin11011010101100111110011…
…110100110001000110011101
3120202201011200011202210222211
4123111213303310301012131
5111224344402203304041
61103414154525440421
734216361361252361
oct3325476364610635
9522634604683884
10120233110213021
1135345637276523
1211599b95410111
135211c1a2a3770
1421994566912a1
15dd78147b8481
hex6d59f3d3119d

120233110213021 has 4 divisors (see below), whose sum is σ = 129481810998652. Its totient is φ = 110984409427392.

The previous prime is 120233110213003. The next prime is 120233110213033. The reversal of 120233110213021 is 120312011332021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35990340648025 + 84242769564996 = 5999195^2 + 9178386^2 .

It is a cyclic number.

It is not a de Polignac number, because 120233110213021 - 213 = 120233110204829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120233110212983 and 120233110213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120233110213121) 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, 4624350392796 + ... + 4624350392821.

It is an arithmetic number, because the mean of its divisors is an integer number (32370452749663).

Almost surely, 2120233110213021 is an apocalyptic number.

It is an amenable number.

120233110213021 is a deficient number, since it is larger than the sum of its proper divisors (9248700785631).

120233110213021 is an equidigital number, since it uses as much as digits as its factorization.

120233110213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9248700785630.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 120233110213021 its reverse (120312011332021), we get a palindrome (240545121545042).

The spelling of 120233110213021 in words is "one hundred twenty trillion, two hundred thirty-three billion, one hundred ten million, two hundred thirteen thousand, twenty-one".

Divisors: 1 13 9248700785617 120233110213021