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27150833540 = 2253198344549
BaseRepresentation
bin11001010010010100…
…001101011110000100
32121002012002020202102
4121102110031132010
5421101103133130
620250052331232
71650552164045
oct312224153604
977065066672
1027150833540
1110572a35106
125318913b18
132739011c9c
141457ca68cc
15a8d92b645
hex65250d784

27150833540 has 48 divisors (see below), whose sum is σ = 58917196800. Its totient is φ = 10499072640.

The previous prime is 27150833513. The next prime is 27150833543. The reversal of 27150833540 is 4533805172.

It is a junction number, because it is equal to n+sod(n) for n = 27150833494 and 27150833503.

It is not an unprimeable number, because it can be changed into a prime (27150833543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587186 + ... + 631734.

It is an arithmetic number, because the mean of its divisors is an integer number (1227441600).

Almost surely, 227150833540 is an apocalyptic number.

27150833540 is a gapful number since it is divisible by the number (20) 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 27150833540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29458598400).

27150833540 is an abundant number, since it is smaller than the sum of its proper divisors (31766363260).

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

27150833540 is a wasteful number, since it uses less digits than its factorization.

27150833540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45572 (or 45570 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 27150833540 in words is "twenty-seven billion, one hundred fifty million, eight hundred thirty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 983 1966 3932 4915 9830 19660 30473 44549 60946 89098 121892 152365 178196 222745 304730 445490 609460 890980 1381019 2762038 5524076 6905095 13810190 27620380 43791667 87583334 175166668 218958335 437916670 875833340 1357541677 2715083354 5430166708 6787708385 13575416770 27150833540