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1690849532160 = 28325198279341
BaseRepresentation
bin11000100110101110011…
…111000101100100000000
312222122101012200220010200
4120212232133011210000
5210200324440012120
63332433205325200
7233105553612525
oct30465637054400
95878335626120
101690849532160
115a20a3531678
12233846106800
13c35a5a51669
145bba236914c
152deb231de90
hex189ae7c5900

1690849532160 has 432 divisors, whose sum is σ = 6166172900160. Its totient is φ = 426599792640.

The previous prime is 1690849532159. The next prime is 1690849532189. The reversal of 1690849532160 is 612359480961.

1690849532160 is a `hidden beast` number, since 1 + 6 + 9 + 0 + 8 + 49 + 532 + 1 + 60 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1690849532097 and 1690849532106.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181009090 + ... + 181018430.

It is an arithmetic number, because the mean of its divisors is an integer number (14273548380).

Almost surely, 21690849532160 is an apocalyptic number.

1690849532160 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 1690849532160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3083086450080).

1690849532160 is an abundant number, since it is smaller than the sum of its proper divisors (4475323368000).

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

1690849532160 is a wasteful number, since it uses less digits than its factorization.

1690849532160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10214 (or 10197 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 1690849532160 in words is "one trillion, six hundred ninety billion, eight hundred forty-nine million, five hundred thirty-two thousand, one hundred sixty".