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27400750180 = 22541255113099
BaseRepresentation
bin11001100001001101…
…100100010001100100
32121201121100022221021
4121201031210101210
5422104043001210
620330541100524
71660005351016
oct314115442144
977647308837
1027400750180
1110691011191
125388557744
132778a2575b
14147d1601b6
15aa5845bda
hex661364464

27400750180 has 48 divisors (see below), whose sum is σ = 58972636800. Its totient is φ = 10687968000.

The previous prime is 27400750171. The next prime is 27400750213. The reversal of 27400750180 is 8105700472.

It is a happy number.

It is a super-2 number, since 2×274007501802 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2085271 + ... + 2098369.

It is an arithmetic number, because the mean of its divisors is an integer number (1228596600).

Almost surely, 227400750180 is an apocalyptic number.

27400750180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27400750180 is an abundant number, since it is smaller than the sum of its proper divisors (31571886620).

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

27400750180 is a wasteful number, since it uses less digits than its factorization.

27400750180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15700 (or 15698 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 27400750180 in words is "twenty-seven billion, four hundred million, seven hundred fifty thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 2551 5102 10204 12755 13099 25510 26198 51020 52396 65495 104591 130990 209182 261980 418364 522955 537059 1045910 1074118 2091820 2148236 2685295 5370590 10741180 33415549 66831098 133662196 167077745 334155490 668310980 1370037509 2740075018 5480150036 6850187545 13700375090 27400750180