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13021220110 = 2529833471559
BaseRepresentation
bin11000010000010000…
…00000110100001110
31020121110201111222111
430020020000310032
5203131413020420
65552025534234
7640451354563
oct141010006416
936543644874
1013021220110
115582159438
12263494437a
1312c68c1592
148b74d086a
1551324445a
hex308200d0e

13021220110 has 64 divisors (see below), whose sum is σ = 24625036800. Its totient is φ = 4950800512.

The previous prime is 13021220101. The next prime is 13021220117. The reversal of 13021220110 is 1102212031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021220117) 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, 8351511 + ... + 8353069.

It is an arithmetic number, because the mean of its divisors is an integer number (384766200).

Almost surely, 213021220110 is an apocalyptic number.

13021220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13021220110 is a deficient number, since it is larger than the sum of its proper divisors (11603816690).

13021220110 is a wasteful number, since it uses less digits than its factorization.

13021220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13021220110 its reverse (1102212031), we get a palindrome (14123432141).

The spelling of 13021220110 in words is "thirteen billion, twenty-one million, two hundred twenty thousand, one hundred ten".

Divisors: 1 2 5 10 29 58 83 145 166 290 347 415 694 830 1559 1735 2407 3118 3470 4814 7795 10063 12035 15590 20126 24070 28801 45211 50315 57602 90422 100630 129397 144005 226055 258794 288010 452110 540973 646985 835229 1081946 1293970 1670458 2704865 3752513 4176145 5409730 7505026 8352290 15688217 18762565 31376434 37525130 44900759 78441085 89801518 156882170 224503795 449007590 1302122011 2604244022 6510610055 13021220110