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12542105202 = 2311261283207
BaseRepresentation
bin10111010111001000…
…10101011001110010
31012101002011221212220
423223210111121302
5201141234331302
65432312501510
7622543064244
oct135344253162
935332157786
1012542105202
115356767300
1225203aa896
13124b56c733
1486da14094
154d61544bc
hex2eb915672

12542105202 has 48 divisors (see below), whose sum is σ = 28023998016. Its totient is φ = 3738319200.

The previous prime is 12542105171. The next prime is 12542105237. The reversal of 12542105202 is 20250124521.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97318 + ... + 185889.

It is an arithmetic number, because the mean of its divisors is an integer number (583833292).

Almost surely, 212542105202 is an apocalyptic number.

12542105202 is an abundant number, since it is smaller than the sum of its proper divisors (15481892814).

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

12542105202 is a wasteful number, since it uses less digits than its factorization.

12542105202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283295 (or 283284 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 12542105202 its reverse (20250124521), we get a palindrome (32792229723).

The spelling of 12542105202 in words is "twelve billion, five hundred forty-two million, one hundred five thousand, two hundred two".

Divisors: 1 2 3 6 11 22 33 61 66 121 122 183 242 363 366 671 726 1342 2013 4026 7381 14762 22143 44286 283207 566414 849621 1699242 3115277 6230554 9345831 17275627 18691662 34268047 34551254 51826881 68536094 102804141 103653762 190031897 205608282 380063794 570095691 1140191382 2090350867 4180701734 6271052601 12542105202