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126889506896 = 249491835591
BaseRepresentation
bin111011000101100110…
…1000011100001010000
3110010112010222211020112
41312023031003201100
54034332203210041
6134143042300452
712111304004225
oct1661315034120
9403463884215
10126889506896
11498a4900679
1220713057728
13bc72644679
1461da33d94c
153479c45deb
hex1d8b343850

126889506896 has 20 divisors (see below), whose sum is σ = 245874617184. Its totient is φ = 63437992800.

The previous prime is 126889506893. The next prime is 126889506917. The reversal of 126889506896 is 698605988621.

It is a super-2 number, since 2×1268895068962 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126889506893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265940 + ... + 569651.

Almost surely, 2126889506896 is an apocalyptic number.

126889506896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126889506896 is a deficient number, since it is larger than the sum of its proper divisors (118985110288).

126889506896 is an equidigital number, since it uses as much as digits as its factorization.

126889506896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845090 (or 845084 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 68.

The spelling of 126889506896 in words is "one hundred twenty-six billion, eight hundred eighty-nine million, five hundred six thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 9491 18982 37964 75928 151856 835591 1671182 3342364 6684728 13369456 7930594181 15861188362 31722376724 63444753448 126889506896