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101240220434 = 2261719342801
BaseRepresentation
bin101111001001001100…
…0110010101100010010
3100200022121100001211212
41132102120302230102
53124314444023214
6114301545140122
710212553450343
oct1362230625422
9320277301755
10101240220434
1139a32513071
121775518a642
139715746ba2
144c85a600ca
15297806c53e
hex1792632b12

101240220434 has 8 divisors (see below), whose sum is σ = 151918366908. Its totient is φ = 50600764800.

The previous prime is 101240220413. The next prime is 101240220439. The reversal of 101240220434 is 434022042101.

It can be written as a sum of positive squares in 2 ways, for example, as 84039111025 + 17201109409 = 289895^2 + 131153^2 .

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

It is a super-2 number, since 2×1012402204342 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101240220439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9666167 + ... + 9676634.

Almost surely, 2101240220434 is an apocalyptic number.

101240220434 is a deficient number, since it is larger than the sum of its proper divisors (50678146474).

101240220434 is a wasteful number, since it uses less digits than its factorization.

101240220434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19345420.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 101240220434 its reverse (434022042101), we get a palindrome (535262262535).

The spelling of 101240220434 in words is "one hundred one billion, two hundred forty million, two hundred twenty thousand, four hundred thirty-four".

Divisors: 1 2 2617 5234 19342801 38685602 50620110217 101240220434