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8132016440 = 235297010359
BaseRepresentation
bin1111001001011010…
…01011100100111000
3202222201211020102002
413210231023210320
5113123244011230
63422533200132
7405342666512
oct74455134470
922881736362
108132016440
1134a3347349
1216ab490048
139c79b6662
14572030bb2
15328dc6545
hex1e4b4b938

8132016440 has 32 divisors (see below), whose sum is σ = 18927972000. Its totient is φ = 3140640384.

The previous prime is 8132016421. The next prime is 8132016449. The reversal of 8132016440 is 446102318.

It is a super-3 number, since 3×81320164403 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8132016449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3504020 + ... + 3506339.

It is an arithmetic number, because the mean of its divisors is an integer number (591499125).

Almost surely, 28132016440 is an apocalyptic number.

It is an amenable number.

8132016440 is an abundant number, since it is smaller than the sum of its proper divisors (10795955560).

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

8132016440 is a wasteful number, since it uses less digits than its factorization.

8132016440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010399 (or 7010395 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8132016440 is about 90177.6936941725. The cubic root of 8132016440 is about 2010.9414036891.

Adding to 8132016440 its reverse (446102318), we get a palindrome (8578118758).

The spelling of 8132016440 in words is "eight billion, one hundred thirty-two million, sixteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 7010359 14020718 28041436 35051795 56082872 70103590 140207180 203300411 280414360 406600822 813201644 1016502055 1626403288 2033004110 4066008220 8132016440