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2153063808 = 27337611459
BaseRepresentation
bin1000000001010101…
…0010010110000000
312120001100222022000
42000111102112000
513402141020213
6553351344000
7104232511650
oct20025222600
95501328260
102153063808
11a05391785
12501082000
132840a996c
14165d40360
15c9049c73
hex80552580

2153063808 has 256 divisors, whose sum is σ = 7386432000. Its totient is φ = 604661760.

The previous prime is 2153063789. The next prime is 2153063839. The reversal of 2153063808 is 8083603512.

2153063808 is a `hidden beast` number, since 2 + 15 + 3 + 0 + 638 + 0 + 8 = 666.

It is a super-2 number, since 2×21530638082 = 9271367522638921728, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1474983 + ... + 1476441.

It is an arithmetic number, because the mean of its divisors is an integer number (28853250).

Almost surely, 22153063808 is an apocalyptic number.

2153063808 is a gapful number since it is divisible by the number (28) 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 2153063808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3693216000).

2153063808 is an abundant number, since it is smaller than the sum of its proper divisors (5233368192).

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

2153063808 is a wasteful number, since it uses less digits than its factorization.

2153063808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2153063808 is about 46401.1186072060. The cubic root of 2153063808 is about 1291.2756661618.

The spelling of 2153063808 in words is "two billion, one hundred fifty-three million, sixty-three thousand, eight hundred eight".