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44145140286 = 23131733291961
BaseRepresentation
bin101001000111010000…
…010110001000111110
311012221112212110222210
4221013100112020332
51210402123442121
632140251321250
73121646333622
oct510720261076
9135845773883
1044145140286
11177a3865315
128680150226
134216a90bb0
1421cad03182
15123587b876
hexa4741623e

44145140286 has 32 divisors (see below), whose sum is σ = 100674893088. Its totient is φ = 12784112640.

The previous prime is 44145140261. The next prime is 44145140287. The reversal of 44145140286 is 68204154144.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145140287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16644655 + ... + 16647306.

It is an arithmetic number, because the mean of its divisors is an integer number (3146090409).

Almost surely, 244145140286 is an apocalyptic number.

44145140286 is an abundant number, since it is smaller than the sum of its proper divisors (56529752802).

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

44145140286 is a wasteful number, since it uses less digits than its factorization.

44145140286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33291996.

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 44145140286 in words is "forty-four billion, one hundred forty-five million, one hundred forty thousand, two hundred eighty-six".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1326 33291961 66583922 99875883 199751766 432795493 565963337 865590986 1131926674 1298386479 1697890011 2596772958 3395780022 7357523381 14715046762 22072570143 44145140286