Search a number
-
+
101020210201021 = 877141767812519
BaseRepresentation
bin10110111110000010011001…
…101111101000000110111101
3111020200102211010210112121111
4112332002121233220012331
5101220103342302413041
6554504013252002021
730164316660600166
oct2676023157500675
9436612733715544
10101020210201021
112a208481081241
12b3b6488000311
13444a21b5058c7
141ad359341a76d
15ba2b7a473981
hex5be099be81bd

101020210201021 has 8 divisors (see below), whose sum is σ = 101136236446080. Its totient is φ = 100904185866288.

The previous prime is 101020210200941. The next prime is 101020210201081. The reversal of 101020210201021 is 120102012020101.

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 101020210201021 - 213 = 101020210192829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101020210200992 and 101020210201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020210201081) 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, 123923400 + ... + 124735918.

It is an arithmetic number, because the mean of its divisors is an integer number (12642029555760).

Almost surely, 2101020210201021 is an apocalyptic number.

It is an amenable number.

101020210201021 is a deficient number, since it is larger than the sum of its proper divisors (116026245059).

101020210201021 is an equidigital number, since it uses as much as digits as its factorization.

101020210201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955163.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101020210201021 its reverse (120102012020101), we get a palindrome (221122222221122).

The spelling of 101020210201021 in words is "one hundred one trillion, twenty billion, two hundred ten million, two hundred one thousand, twenty-one".

Divisors: 1 877 141767 812519 124329659 712579163 115188381073 101020210201021