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27424271488 = 27233947971
BaseRepresentation
bin11001100010100111…
…010010110010000000
32121210020121100002211
4121202213102302000
5422131103141423
620333141151504
71660412314165
oct314247226200
977706540084
1027424271488
11106a3317089
1253943bb594
13278086c8a3
14148232406c
15aa794010d
hex6629d2c80

27424271488 has 64 divisors (see below), whose sum is σ = 54983279520. Its totient is φ = 13624821760.

The previous prime is 27424271401. The next prime is 27424271491. The reversal of 27424271488 is 88417242472.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28242843 + ... + 28243813.

Almost surely, 227424271488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27424271488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27491639760).

27424271488 is an abundant number, since it is smaller than the sum of its proper divisors (27559008032).

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

27424271488 is an equidigital number, since it uses as much as digits as its factorization.

27424271488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2153 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 49.

The spelling of 27424271488 in words is "twenty-seven billion, four hundred twenty-four million, two hundred seventy-one thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 128 233 466 932 947 971 1864 1894 1942 3728 3788 3884 7456 7576 7768 14912 15152 15536 29824 30304 31072 60608 62144 121216 124288 220651 226243 441302 452486 882604 904972 919537 1765208 1809944 1839074 3530416 3619888 3678148 7060832 7239776 7356296 14121664 14479552 14712592 28243328 28959104 29425184 58850368 117700736 214252121 428504242 857008484 1714016968 3428033936 6856067872 13712135744 27424271488