Search a number
-
+
10320102221 = 1121347139591
BaseRepresentation
bin10011001110010000…
…00100001101001101
3222122020002111211012
421213020010031031
5132113421232341
64424015335005
7513512264402
oct114710041515
928566074735
1010320102221
114416479600
122000221465
13c86106080
146dc88a2a9
1540603d0eb
hex26720434d

10320102221 has 24 divisors (see below), whose sum is σ = 12476174592. Its totient is φ = 8475904800.

The previous prime is 10320102203. The next prime is 10320102239. The reversal of 10320102221 is 12220102301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10320102203) and next prime (10320102239).

It is not a de Polignac number, because 10320102221 - 26 = 10320102157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10320102196 and 10320102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320402221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4136 + ... + 143726.

It is an arithmetic number, because the mean of its divisors is an integer number (519840608).

Almost surely, 210320102221 is an apocalyptic number.

10320102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10320102221 is a deficient number, since it is larger than the sum of its proper divisors (2156072371).

10320102221 is a wasteful number, since it uses less digits than its factorization.

10320102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139673 (or 139662 counting only the distinct ones).

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

Adding to 10320102221 its reverse (12220102301), we get a palindrome (22540204522).

The spelling of 10320102221 in words is "ten billion, three hundred twenty million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 11 13 47 121 143 517 611 1573 5687 6721 73931 139591 1535501 1814683 6560777 16890511 19961513 72168547 85290101 219576643 793854017 938191111 10320102221