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1330972892640 = 253353164715361
BaseRepresentation
bin10011010111100100001…
…010101001110111100000
311201020110210022102102000
4103113210022221313200
5133301313030031030
62455235052124000
7165105514631046
oct23274412516740
94636423272360
101330972892640
1147350a554926
12195b50166600
1398682bc8251
14485c2cc6396
152494d178860
hex135e42a9de0

1330972892640 has 384 divisors, whose sum is σ = 4816422051840. Its totient is φ = 342923673600.

The previous prime is 1330972892621. The next prime is 1330972892677. The reversal of 1330972892640 is 462982790331.

1330972892640 is a `hidden beast` number, since 1 + 3 + 309 + 72 + 8 + 9 + 264 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86638560 + ... + 86653920.

It is an arithmetic number, because the mean of its divisors is an integer number (12542765760).

Almost surely, 21330972892640 is an apocalyptic number.

1330972892640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330972892640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2408211025920).

1330972892640 is an abundant number, since it is smaller than the sum of its proper divisors (3485449159200).

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

1330972892640 is a wasteful number, since it uses less digits than its factorization.

1330972892640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16063 (or 16049 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 1330972892640 in words is "one trillion, three hundred thirty billion, nine hundred seventy-two million, eight hundred ninety-two thousand, six hundred forty".