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1441457168490 = 232518973844157
BaseRepresentation
bin10100111110011101100…
…010101110000001101010
312002210122121222011100200
4110332131202232001222
5142104101013342430
63022110221413030
7206066436525333
oct24763542560152
95083577864320
101441457168490
11506355aa1609
121b344510a176
13a5c0c8330c1
144daa452b28a
1527767a30460
hex14f9d8ae06a

1441457168490 has 48 divisors (see below), whose sum is σ = 3747990610728. Its totient is φ = 384367863168.

The previous prime is 1441457168443. The next prime is 1441457168491. The reversal of 1441457168490 is 948617541441.

1441457168490 is a `hidden beast` number, since 1 + 4 + 4 + 1 + 4 + 571 + 68 + 4 + 9 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1100554159329 + 340903009161 = 1049073^2 + 583869^2 .

It is not an unprimeable number, because it can be changed into a prime (1441457168491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1285492 + ... + 2129648.

Almost surely, 21441457168490 is an apocalyptic number.

1441457168490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1441457168490 is an abundant number, since it is smaller than the sum of its proper divisors (2306533442238).

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

1441457168490 is a wasteful number, since it uses less digits than its factorization.

1441457168490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863143 (or 863140 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 1441457168490 in words is "one trillion, four hundred forty-one billion, four hundred fifty-seven million, one hundred sixty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 18973 37946 56919 94865 113838 170757 189730 284595 341514 569190 844157 853785 1688314 1707570 2532471 4220785 5064942 7597413 8441570 12662355 15194826 25324710 37987065 75974130 16016190761 32032381522 48048572283 80080953805 96097144566 144145716849 160161907610 240242861415 288291433698 480485722830 720728584245 1441457168490