Search a number
-
+
101020210001 = 413515970079
BaseRepresentation
bin101111000010101000…
…1100001001101010001
3100122202021100101021022
41132011101201031101
53123342133210001
6114224045405225
710204242421454
oct1360521411521
9318667311238
10101020210001
113992a302a67
12176b3569815
1396abca47b9
144c6474d49b
152963aae11b
hex1785461351

101020210001 has 8 divisors (see below), whose sum is σ = 103488537600. Its totient is φ = 98552092960.

The previous prime is 101020209959. The next prime is 101020210003. The reversal of 101020210001 is 100012020101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101020210001 is a prime.

It is a super-2 number, since 2×1010202100012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101020210003) 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, 1406480 + ... + 1476558.

It is an arithmetic number, because the mean of its divisors is an integer number (12936067200).

Almost surely, 2101020210001 is an apocalyptic number.

It is an amenable number.

101020210001 is a deficient number, since it is larger than the sum of its proper divisors (2468327599).

101020210001 is an equidigital number, since it uses as much as digits as its factorization.

101020210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105279.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101020210001 its reverse (100012020101), we get a palindrome (201032230102).

The spelling of 101020210001 in words is "one hundred one billion, twenty million, two hundred ten thousand, one".

Divisors: 1 41 35159 70079 1441519 2873239 2463907561 101020210001