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78134832348 = 22349191323691
BaseRepresentation
bin100100011000100110…
…0101110110011011100
321110200100110201222120
41020301030232303130
52240010004113343
655521124342540
75434153055016
oct1106114566334
9243610421876
1078134832348
1130156092011
1213187244a50
1374a28a8911
143ad317b1b6
152074891683
hex123132ecdc

78134832348 has 24 divisors (see below), whose sum is σ = 182351809920. Its totient is φ = 26039629680.

The previous prime is 78134832341. The next prime is 78134832361. The reversal of 78134832348 is 84323843187.

It is a super-2 number, since 2×781348323482 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78134832348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78134832341) 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, 602818 + ... + 720873.

It is an arithmetic number, because the mean of its divisors is an integer number (7597992080).

Almost surely, 278134832348 is an apocalyptic number.

It is an amenable number.

78134832348 is an abundant number, since it is smaller than the sum of its proper divisors (104216977572).

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

78134832348 is a wasteful number, since it uses less digits than its factorization.

78134832348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328617 (or 1328615 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The spelling of 78134832348 in words is "seventy-eight billion, one hundred thirty-four million, eight hundred thirty-two thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 4919 9838 14757 19676 29514 59028 1323691 2647382 3971073 5294764 7942146 15884292 6511236029 13022472058 19533708087 26044944116 39067416174 78134832348