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144761821801480 = 235131716375771697
BaseRepresentation
bin100000111010100011111100…
…111101110010110000001000
3200222120002120021001112211101
4200322203330331302300020
5122433234202340121410
61231514355102111144
742330460615542052
oct4072437475626010
9628502507045741
10144761821801480
1142142164523a24
121429b98927b4b4
1362a0c9a987690
1427a671c3348d2
1511b08c1bb4d3a
hex83a8fcf72c08

144761821801480 has 64 divisors (see below), whose sum is σ = 371402502110640. Its totient is φ = 50306370650112.

The previous prime is 144761821801477. The next prime is 144761821801549. The reversal of 144761821801480 is 84108128167441.

144761821801480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 65201522964516 + 79560298836964 = 8074746^2 + 8919658^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8187877009 + ... + 8187894688.

Almost surely, 2144761821801480 is an apocalyptic number.

144761821801480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144761821801480 is an abundant number, since it is smaller than the sum of its proper divisors (226640680309160).

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

144761821801480 is a wasteful number, since it uses less digits than its factorization.

144761821801480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16375771738 (or 16375771734 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 55.

The spelling of 144761821801480 in words is "one hundred forty-four trillion, seven hundred sixty-one billion, eight hundred twenty-one million, eight hundred one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 13 17 20 26 34 40 52 65 68 85 104 130 136 170 221 260 340 442 520 680 884 1105 1768 2210 4420 8840 16375771697 32751543394 65503086788 81878858485 131006173576 163757716970 212885032061 278388118849 327515433940 425770064122 556776237698 655030867880 851540128244 1064425160305 1113552475396 1391940594245 1703080256488 2128850320610 2227104950792 2783881188490 3619045545037 4257700641220 5567762376980 7238091090074 8515401282440 11135524753960 14476182180148 18095227725185 28952364360296 36190455450370 72380910900740 144761821801480