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8137027448 = 2311213143391
BaseRepresentation
bin1111001010000000…
…10010111101111000
3210000002020211012222
413211000102331320
5113131034334243
63423232423212
7405433410044
oct74500227570
923002224188
108137027448
1134a615a180
1216b10a7b08
139c8a4c454
14572977024
15329566168
hex1e5012f78

8137027448 has 32 divisors (see below), whose sum is σ = 16652113920. Its totient is φ = 3696828000.

The previous prime is 8137027429. The next prime is 8137027487. The reversal of 8137027448 is 8447207318.

It is a super-2 number, since 2×81370274482 (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 8137027399 and 8137027408.

It is a congruent number.

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, 165833 + ... + 209223.

It is an arithmetic number, because the mean of its divisors is an integer number (520378560).

Almost surely, 28137027448 is an apocalyptic number.

8137027448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8137027448 is an abundant number, since it is smaller than the sum of its proper divisors (8515086472).

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

8137027448 is a wasteful number, since it uses less digits than its factorization.

8137027448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45539 (or 45535 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 8137027448 is about 90205.4734924661. The cubic root of 8137027448 is about 2011.3543711425.

The spelling of 8137027448 in words is "eight billion, one hundred thirty-seven million, twenty-seven thousand, four hundred forty-eight".

Divisors: 1 2 4 8 11 22 44 88 2131 4262 8524 17048 23441 43391 46882 86782 93764 173564 187528 347128 477301 954602 1909204 3818408 92466221 184932442 369864884 739729768 1017128431 2034256862 4068513724 8137027448