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27442122124472 = 2311480236493603
BaseRepresentation
bin1100011110101010111011…
…11100001110110010111000
310121011102220200012111000222
412033111131330032302320
512044102431230440342
6134210423055115212
75531425240235546
oct617253574166270
9117142820174028
1027442122124472
1188201585852a0
1230b2573212b08
131240a1cb661b3
146ac2c49ccd96
15328c74deced2
hex18f55df0ecb8

27442122124472 has 32 divisors (see below), whose sum is σ = 56132790929280. Its totient is φ = 12473430209760.

The previous prime is 27442122124471. The next prime is 27442122124499.

It is a happy number.

27442122124472 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×274421221244722 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27442122124471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979223 + ... + 7472825.

It is an arithmetic number, because the mean of its divisors is an integer number (1754149716540).

Almost surely, 227442122124472 is an apocalyptic number.

27442122124472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27442122124472 is an abundant number, since it is smaller than the sum of its proper divisors (28690668804808).

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

27442122124472 is a wasteful number, since it uses less digits than its factorization.

27442122124472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541643 (or 6541639 counting only the distinct ones).

The product of its digits is 802816, while the sum is 44.

It can be divided in two parts, 2744212 and 2124472, that added together give a palindrome (4868684).

The spelling of 27442122124472 in words is "twenty-seven trillion, four hundred forty-two billion, one hundred twenty-two million, one hundred twenty-four thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 48023 96046 192092 384184 528253 1056506 2113012 4226024 6493603 12987206 25974412 51948824 71429633 142859266 285718532 571437064 311842296869 623684593738 1247369187476 2494738374952 3430265265559 6860530531118 13721061062236 27442122124472