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130501142 = 2194933479
BaseRepresentation
bin1111100011101…
…00101000010110
3100002120010220122
413301310220112
5231402014032
620541031542
73143145542
oct761645026
9302503818
10130501142
1167734492
12378555b2
1321062915
1413490a22
15b6cc012
hex7c74a16

130501142 has 8 divisors (see below), whose sum is σ = 195858000. Its totient is φ = 65215144.

The previous prime is 130501117. The next prime is 130501169. The reversal of 130501142 is 241105031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 130501142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12842 + ... + 20637.

It is an arithmetic number, because the mean of its divisors is an integer number (24482250).

Almost surely, 2130501142 is an apocalyptic number.

130501142 is a deficient number, since it is larger than the sum of its proper divisors (65356858).

130501142 is a wasteful number, since it uses less digits than its factorization.

130501142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35430.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 130501142 is about 11423.7096426686. The cubic root of 130501142 is about 507.2298117721.

Adding to 130501142 its reverse (241105031), we get a palindrome (371606173).

The spelling of 130501142 in words is "one hundred thirty million, five hundred one thousand, one hundred forty-two".

Divisors: 1 2 1949 3898 33479 66958 65250571 130501142