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101563230641 = 1019291082429
BaseRepresentation
bin101111010010110100…
…0111110100110110001
3100201011010010200112212
41132211220332212301
53131000141340031
6114354004301505
710223555134145
oct1364550764661
9321133120485
10101563230641
113a088883454
12178253a1895
1397676402a2
144cb6903225
1529965c412b
hex17a5a3e9b1

101563230641 has 8 divisors (see below), whose sum is σ = 102679309800. Its totient is φ = 100449318400.

The previous prime is 101563230617. The next prime is 101563230677. The reversal of 101563230641 is 146032365101.

It can be written as a sum of positive squares in 4 ways, for example, as 222875041 + 101340355600 = 14929^2 + 318340^2 .

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 101563230641 - 226 = 101496121777 is a prime.

It is a super-2 number, since 2×1015632306412 (a number of 23 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 = 101563230598 and 101563230607.

It is not an unprimeable number, because it can be changed into a prime (101563236641) 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, 447386 + ... + 635043.

It is an arithmetic number, because the mean of its divisors is an integer number (12834913725).

Almost surely, 2101563230641 is an apocalyptic number.

It is an amenable number.

101563230641 is a deficient number, since it is larger than the sum of its proper divisors (1116079159).

101563230641 is a wasteful number, since it uses less digits than its factorization.

101563230641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083459.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 101563230641 its reverse (146032365101), we get a palindrome (247595595742).

The spelling of 101563230641 in words is "one hundred one billion, five hundred sixty-three million, two hundred thirty thousand, six hundred forty-one".

Divisors: 1 101 929 93829 1082429 109325329 1005576541 101563230641