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10131132123242 = 2131788492590249
BaseRepresentation
bin1001001101101101011010…
…0010000000100001101010
31022212112020000110022120122
42103123112202000201222
52311442024310420432
633314102225323242
72063643620115434
oct223332642004152
938775200408518
1010131132123242
113256652a69099
121177593796522
1358649174a260
142704c6ad9654
15128802385612
hex936d688086a

10131132123242 has 32 divisors (see below), whose sum is σ = 17330326650000. Its totient is φ = 4400354746368.

The previous prime is 10131132123221. The next prime is 10131132123289. The reversal of 10131132123242 is 24232123113101.

It can be written as a sum of positive squares in 8 ways, for example, as 41799393601 + 10089332729641 = 204449^2 + 3176371^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2616134 + ... + 5206382.

Almost surely, 210131132123242 is an apocalyptic number.

10131132123242 is a deficient number, since it is larger than the sum of its proper divisors (7199194526758).

10131132123242 is a wasteful number, since it uses less digits than its factorization.

10131132123242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599130.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 10131132123242 its reverse (24232123113101), we get a palindrome (34363255236343).

The spelling of 10131132123242 in words is "ten trillion, one hundred thirty-one billion, one hundred thirty-two million, one hundred twenty-three thousand, two hundred forty-two".

Divisors: 1 2 13 17 26 34 221 442 8849 17698 115037 150433 230074 300866 1955629 2590249 3911258 5180498 33673237 44034233 67346474 88068466 572445029 1144890058 22921113401 45842226802 297974474213 389658927817 595948948426 779317855634 5065566061621 10131132123242