Search a number
-
+
101112230123213 = 821123157405753
BaseRepresentation
bin10110111111011000000110…
…100011110001011011001101
3111021000020100011111221001212
4112333120012203301123031
5101223110321402420323
6555014152310144205
730204055215201551
oct2677300643613315
9437006304457055
10101112230123213
112a243501a06811
12b410289352065
134455ac49590ca
141ad7c026bb861
15ba5263ceab78
hex5bf6068f16cd

101112230123213 has 4 divisors (see below), whose sum is σ = 101235387529788. Its totient is φ = 100989072716640.

The previous prime is 101112230123161. The next prime is 101112230123221. The reversal of 101112230123213 is 312321032211101.

It is a happy number.

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 18121350858724 + 82990879264489 = 4256918^2 + 9109933^2 .

It is a cyclic number.

It is not a de Polignac number, because 101112230123213 - 226 = 101112163014349 is a prime.

It is a super-2 number, since 2×1011122301232132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112230123273) 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, 61578702056 + ... + 61578703697.

It is an arithmetic number, because the mean of its divisors is an integer number (25308846882447).

Almost surely, 2101112230123213 is an apocalyptic number.

It is an amenable number.

101112230123213 is a deficient number, since it is larger than the sum of its proper divisors (123157406575).

101112230123213 is an equidigital number, since it uses as much as digits as its factorization.

101112230123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123157406574.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 101112230123213 its reverse (312321032211101), we get a palindrome (413433262334314).

The spelling of 101112230123213 in words is "one hundred one trillion, one hundred twelve billion, two hundred thirty million, one hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 821 123157405753 101112230123213