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1448161449650 = 2521131741147221
BaseRepresentation
bin10101000100101101001…
…001100001011010110010
312010102221212020221011022
4111010231021201122302
5142211313312342100
63025135353415442
7206424535135466
oct25045511413262
95112855227138
101448161449650
11509186426243
121b47b640a582
13a673a7a9a86
145013caaa4a6
1527a0b3d3e85
hex1512d2616b2

1448161449650 has 48 divisors (see below), whose sum is σ = 2718996595848. Its totient is φ = 573804672000.

The previous prime is 1448161449641. The next prime is 1448161449731. The reversal of 1448161449650 is 569441618441.

It can be written as a sum of positive squares in 12 ways, for example, as 223816986649 + 1224344463001 = 473093^2 + 1106501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1448161449592 and 1448161449601.

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, 9763040 + ... + 9910260.

Almost surely, 21448161449650 is an apocalyptic number.

1448161449650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1448161449650 is a deficient number, since it is larger than the sum of its proper divisors (1270835146198).

1448161449650 is a wasteful number, since it uses less digits than its factorization.

1448161449650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149087 (or 149082 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 1448161449650 in words is "one trillion, four hundred forty-eight billion, one hundred sixty-one million, four hundred forty-nine thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 113 226 565 1130 1741 2825 3482 5650 8705 17410 43525 87050 147221 196733 294442 393466 736105 983665 1472210 1967330 3680525 4918325 7361050 9836650 16635973 33271946 83179865 166359730 256311761 415899325 512623522 831798650 1281558805 2563117610 6407794025 12815588050 28963228993 57926457986 144816144965 289632289930 724080724825 1448161449650