Search a number
-
+
1090945800000 = 263355731931
BaseRepresentation
bin11111110000000010110…
…11111101011101000000
310212021220212222202022000
433320001123331131000
5120333224111100000
62153101254344000
7141550440204000
oct17700133753500
93767825882260
101090945800000
11390738510581
1215752365b000
137bb5002bc94
143ab32bc4000
151d5a0b6a000
hexfe016fd740

1090945800000 has 2688 divisors, whose sum is σ = 5079674880000. Its totient is φ = 228614400000.

The previous prime is 1090945799987. The next prime is 1090945800011. The reversal of 1090945800000 is 85490901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 35191799985 + ... + 35191800015.

It is an arithmetic number, because the mean of its divisors is an integer number (1889760000).

Almost surely, 21090945800000 is an apocalyptic number.

1090945800000 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 1090945800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2539837440000).

1090945800000 is an abundant number, since it is smaller than the sum of its proper divisors (3988729080000).

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

1090945800000 is an frugal number, since it uses more digits than its factorization.

1090945800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 1090945800000 in words is "one trillion, ninety billion, nine hundred forty-five million, eight hundred thousand".