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1481063990574 = 23741923743179
BaseRepresentation
bin10101100011010110010…
…010110000010100101110
312020120212220012012011010
4111203112102300110232
5143231204340144244
63052220313210050
7212001101130000
oct25432622602456
95216786165133
101481063990574
11521130014223
121bb059400926
13a98822c22bc
14519807cc370
15287d4c4eeb9
hex158d64b052e

1481063990574 has 480 divisors, whose sum is σ = 3854145525120. Its totient is φ = 378855211392.

The previous prime is 1481063990521. The next prime is 1481063990683. The reversal of 1481063990574 is 4750993601841.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 8274100417 + ... + 8274100595.

It is an arithmetic number, because the mean of its divisors is an integer number (8029469844).

Almost surely, 21481063990574 is an apocalyptic number.

1481063990574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1481063990574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927072762560).

1481063990574 is an abundant number, since it is smaller than the sum of its proper divisors (2373081534546).

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

1481063990574 is a wasteful number, since it uses less digits than its factorization.

1481063990574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 1481063990574 in words is "one trillion, four hundred eighty-one billion, sixty-three million, nine hundred ninety thousand, five hundred seventy-four".