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101020012223 = 1359838871789
BaseRepresentation
bin101111000010101000…
…0110000111010111111
3100122202020222022222012
41132011100300322333
53123342110342343
6114224041241435
710204240636034
oct1360520607277
9318666868865
10101020012223
113992a188409
12176b349327b
1396abc35780
144c646db38b
152963a70718
hex1785430ebf

101020012223 has 32 divisors (see below), whose sum is σ = 112156531200. Its totient is φ = 90411636096.

The previous prime is 101020012211. The next prime is 101020012267. The reversal of 101020012223 is 322210020101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101020012223 - 24 = 101020012207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101020012198 and 101020012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020012523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56466413 + ... + 56468201.

It is an arithmetic number, because the mean of its divisors is an integer number (3504891600).

Almost surely, 2101020012223 is an apocalyptic number.

101020012223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101020012223 is a deficient number, since it is larger than the sum of its proper divisors (11136518977).

101020012223 is a wasteful number, since it uses less digits than its factorization.

101020012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 101020012223 its reverse (322210020101), we get a palindrome (423230032324).

The spelling of 101020012223 in words is "one hundred one billion, twenty million, twelve thousand, two hundred twenty-three".

Divisors: 1 13 59 83 767 887 1079 1789 4897 11531 23257 52333 63661 73621 105551 148487 680329 957073 1372163 1586843 1930331 4343639 8760733 20628959 56467307 93623737 113889529 131707969 1217108581 1712203597 7770770171 101020012223