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78058317340 = 225127307100103
BaseRepresentation
bin100100010110010100…
…0110110011000011100
321110111000111101010101
41020230220312120130
52234330412123330
655505352350444
75432233515133
oct1105450663034
9243430441111
1078058317340
1130116981173
12131656a5424
13748ca98873
143ac6d4091a
15206ccca4ca
hex122ca3661c

78058317340 has 48 divisors (see below), whose sum is σ = 165753004032. Its totient is φ = 30876261696.

The previous prime is 78058317331. The next prime is 78058317343. The reversal of 78058317340 is 4371385087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78058317343) 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, 729729 + ... + 829831.

It is an arithmetic number, because the mean of its divisors is an integer number (3453187584).

Almost surely, 278058317340 is an apocalyptic number.

It is an amenable number.

78058317340 is an abundant number, since it is smaller than the sum of its proper divisors (87694686692).

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

78058317340 is a wasteful number, since it uses less digits than its factorization.

78058317340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100546 (or 100544 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 78058317340 in words is "seventy-eight billion, fifty-eight million, three hundred seventeen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 127 254 307 508 614 635 1228 1270 1535 2540 3070 6140 38989 77978 100103 155956 194945 200206 389890 400412 500515 779780 1001030 2002060 12713081 25426162 30731621 50852324 61463242 63565405 122926484 127130810 153658105 254261620 307316210 614632420 3902915867 7805831734 15611663468 19514579335 39029158670 78058317340