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27442846480 = 245761317993
BaseRepresentation
bin11001100011101110…
…001001101100010000
32121211112120001012111
4121203232021230100
5422200332041410
620335043235104
71661026226530
oct314356115420
977745501174
1027442846480
1110702853815
12539a678a94
1327846744ca
14148499b4c0
15aa93adb8a
hex663b89b10

27442846480 has 80 divisors (see below), whose sum is σ = 72940581504. Its totient is φ = 9406264320.

The previous prime is 27442846439. The next prime is 27442846489. The reversal of 27442846480 is 8464824472.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (27442846489) 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, 3429364 + ... + 3437356.

Almost surely, 227442846480 is an apocalyptic number.

27442846480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27442846480 is an abundant number, since it is smaller than the sum of its proper divisors (45497735024).

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

27442846480 is a wasteful number, since it uses less digits than its factorization.

27442846480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14144 (or 14138 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 49.

The spelling of 27442846480 in words is "twenty-seven billion, four hundred forty-two million, eight hundred forty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 6131 7993 12262 15986 24524 30655 31972 39965 42917 49048 55951 61310 63944 79930 85834 98096 111902 122620 127888 159860 171668 214585 223804 245240 279755 319720 343336 429170 447608 490480 559510 639440 686672 858340 895216 1119020 1716680 2238040 3433360 4476080 49005083 98010166 196020332 245025415 343035581 392040664 490050830 686071162 784081328 980101660 1372142324 1715177905 1960203320 2744284648 3430355810 3920406640 5488569296 6860711620 13721423240 27442846480