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2153162560 = 26541164113
BaseRepresentation
bin1000000001010110…
…1010011101000000
312120001112222202111
42000111222131000
513402202200220
6553353425104
7104233402603
oct20025523500
95501488674
102153162560
11a0544999a
1250110b194
132841128b3
14165d6833a
15c906915a
hex8056a740

2153162560 has 56 divisors (see below), whose sum is σ = 5252304456. Its totient is φ = 840253440.

The previous prime is 2153162551. The next prime is 2153162581. The reversal of 2153162560 is 652613512.

It can be written as a sum of positive squares in 4 ways, for example, as 21678336 + 2131484224 = 4656^2 + 46168^2 .

It is a super-2 number, since 2×21531625602 = 9272218019571507200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68937 + ... + 95176.

It is an arithmetic number, because the mean of its divisors is an integer number (93791151).

Almost surely, 22153162560 is an apocalyptic number.

2153162560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153162560 is an abundant number, since it is smaller than the sum of its proper divisors (3099141896).

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

2153162560 is a wasteful number, since it uses less digits than its factorization.

2153162560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164171 (or 164161 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2153162560 is about 46402.1827072822. The cubic root of 2153162560 is about 1291.2954076583.

The spelling of 2153162560 in words is "two billion, one hundred fifty-three million, one hundred sixty-two thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 41 64 80 82 160 164 205 320 328 410 656 820 1312 1640 2624 3280 6560 13120 164113 328226 656452 820565 1312904 1641130 2625808 3282260 5251616 6564520 6728633 10503232 13129040 13457266 26258080 26914532 33643165 52516160 53829064 67286330 107658128 134572660 215316256 269145320 430632512 538290640 1076581280 2153162560