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13142241222 = 231113911811213
BaseRepresentation
bin11000011110101011…
…01010111111000110
31020220220110000201220
430033111222333012
5203403403204342
610012031501210
7643451131035
oct141725527706
936826400656
1013142241222
1156344a8390
122669387806
1313159b51c6
148c95d471c
1551db9c5ec
hex30f56afc6

13142241222 has 64 divisors (see below), whose sum is σ = 28928551680. Its totient is φ = 3947241600.

The previous prime is 13142241181. The next prime is 13142241241. The reversal of 13142241222 is 22214224131.

It is a junction number, because it is equal to n+sod(n) for n = 13142241192 and 13142241201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10833888 + ... + 10835100.

It is an arithmetic number, because the mean of its divisors is an integer number (452008620).

Almost surely, 213142241222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13142241222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14464275840).

13142241222 is an abundant number, since it is smaller than the sum of its proper divisors (15786310458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13142241222 is a wasteful number, since it uses less digits than its factorization.

13142241222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549.

The product of its digits is 1536, while the sum is 24.

Adding to 13142241222 its reverse (22214224131), we get a palindrome (35356465353).

The spelling of 13142241222 in words is "thirteen billion, one hundred forty-two million, two hundred forty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 139 278 417 834 1181 1213 1529 2362 2426 3058 3543 3639 4587 7086 7278 9174 12991 13343 25982 26686 38973 40029 77946 80058 164159 168607 328318 337214 492477 505821 984954 1011642 1432553 1805749 1854677 2865106 3611498 3709354 4297659 5417247 5564031 8595318 10834494 11128062 15758083 31516166 47274249 94548498 199124867 398249734 597374601 1194749202 2190373537 4380747074 6571120611 13142241222