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1481357983431 = 331181709124123
BaseRepresentation
bin10101100011100111110…
…100001111111011000111
312020121122101101120112110
4111203213310033323013
5143232310120432211
63052305414352103
7212011301050014
oct25434764177307
95217571346473
101481357983431
11521270a65427
121bb11b95b633
13a98cb198a81
14519ab87a70b
1528800973ea6
hex158e7d0fec7

1481357983431 has 32 divisors (see below), whose sum is σ = 2053030819840. Its totient is φ = 949086460800.

The previous prime is 1481357983367. The next prime is 1481357983451. The reversal of 1481357983431 is 1343897531841.

It is not a de Polignac number, because 1481357983431 - 26 = 1481357983367 is a prime.

It is a super-2 number, since 2×14813579834312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481357983451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11872536 + ... + 11996658.

It is an arithmetic number, because the mean of its divisors is an integer number (64157213120).

Almost surely, 21481357983431 is an apocalyptic number.

1481357983431 is a deficient number, since it is larger than the sum of its proper divisors (571672836409).

1481357983431 is a wasteful number, since it uses less digits than its factorization.

1481357983431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125047.

The product of its digits is 8709120, while the sum is 57.

The spelling of 1481357983431 in words is "one trillion, four hundred eighty-one billion, three hundred fifty-seven million, nine hundred eighty-three thousand, four hundred thirty-one".

Divisors: 1 3 31 93 181 543 709 2127 5611 16833 21979 65937 124123 128329 372369 384987 3847813 3978199 11543439 11934597 22466263 67398789 88003207 264009621 696454153 2089362459 2728099417 8184298251 15928580467 47785741401 493785994477 1481357983431