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130384142 = 2791110223
BaseRepresentation
bin1111100010110…
…00000100001110
3100002100012102022
413301120010032
5231334243032
620534330142
73142150460
oct761300416
9302305368
10130384142
1167664599
12377b9952
13210215a5
1413460130
15b6a7512
hex7c5810e

130384142 has 16 divisors (see below), whose sum is σ = 223782912. Its totient is φ = 55812120.

The previous prime is 130384117. The next prime is 130384147. The reversal of 130384142 is 241483031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130384147) 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, 7643 + ... + 17865.

It is an arithmetic number, because the mean of its divisors is an integer number (13986432).

Almost surely, 2130384142 is an apocalyptic number.

130384142 is a deficient number, since it is larger than the sum of its proper divisors (93398770).

130384142 is a wasteful number, since it uses less digits than its factorization.

130384142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11143.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 130384142 is about 11418.5875658945. The cubic root of 130384142 is about 507.0781818545.

The spelling of 130384142 in words is "one hundred thirty million, three hundred eighty-four thousand, one hundred forty-two".

Divisors: 1 2 7 14 911 1822 6377 10223 12754 20446 71561 143122 9313153 18626306 65192071 130384142