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1131886264320 = 21432572171997
BaseRepresentation
bin10000011110001001101…
…011011100000000000000
311000012121002200211022100
4100132021223130000000
5122021100340424240
62223551550510400
7144530124334200
oct20361153340000
94005532624270
101131886264320
113a7037319359
1216344a505400
1382975ba4bb6
143cad8242400
151e699ec2e30
hex10789adc000

1131886264320 has 2160 divisors, whose sum is σ = 5139663852960. Its totient is φ = 228304355328.

The previous prime is 1131886264307. The next prime is 1131886264361. The reversal of 1131886264320 is 234626881311.

1131886264320 is a `hidden beast` number, since 1 + 1 + 3 + 18 + 8 + 626 + 4 + 3 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11668930512 + ... + 11668930608.

It is an arithmetic number, because the mean of its divisors is an integer number (2379474006).

Almost surely, 21131886264320 is an apocalyptic number.

1131886264320 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 1131886264320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2569831926480).

1131886264320 is an abundant number, since it is smaller than the sum of its proper divisors (4007777588640).

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

1131886264320 is a wasteful number, since it uses less digits than its factorization.

1131886264320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 1131886264320 in words is "one trillion, one hundred thirty-one billion, eight hundred eighty-six million, two hundred sixty-four thousand, three hundred twenty".