Search a number
-
+
101023201213 = 119183927383
BaseRepresentation
bin101111000010101110…
…0111011011110111101
3100122202110222100102221
41132011130323132331
53123343414414323
6114224233445341
710204310020264
oct1360534733675
9318673870387
10101023201213
1139930a66340
12176b4570851
1396ac7b114c
144c64ccb5db
152963ea055d
hex178573b7bd

101023201213 has 4 divisors (see below), whose sum is σ = 110207128608. Its totient is φ = 91839273820.

The previous prime is 101023201189. The next prime is 101023201217. The reversal of 101023201213 is 312102320101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101023201213 - 233 = 92433266621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101023201217) 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, 4591963681 + ... + 4591963702.

It is an arithmetic number, because the mean of its divisors is an integer number (27551782152).

Almost surely, 2101023201213 is an apocalyptic number.

It is an amenable number.

101023201213 is a deficient number, since it is larger than the sum of its proper divisors (9183927395).

101023201213 is an equidigital number, since it uses as much as digits as its factorization.

101023201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9183927394.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101023201213 its reverse (312102320101), we get a palindrome (413125521314).

The spelling of 101023201213 in words is "one hundred one billion, twenty-three million, two hundred one thousand, two hundred thirteen".

Divisors: 1 11 9183927383 101023201213