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130742062 = 21147126443
BaseRepresentation
bin1111100101011…
…11011100101110
3100010000101101121
413302233130232
5231432221222
620550131154
73145201123
oct762573456
9303011347
10130742062
11678894a0
1237950aba
1321118489
141351474a
15b7285c7
hex7caf72e

130742062 has 16 divisors (see below), whose sum is σ = 218495232. Its totient is φ = 58163320.

The previous prime is 130742057. The next prime is 130742069. The reversal of 130742062 is 260247031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130742069) 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, 62188 + ... + 64255.

It is an arithmetic number, because the mean of its divisors is an integer number (13655952).

Almost surely, 2130742062 is an apocalyptic number.

130742062 is a deficient number, since it is larger than the sum of its proper divisors (87753170).

130742062 is a wasteful number, since it uses less digits than its factorization.

130742062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126503.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 130742062 is about 11434.2495162560. The cubic root of 130742062 is about 507.5417545947.

Adding to 130742062 its reverse (260247031), we get a palindrome (390989093).

The spelling of 130742062 in words is "one hundred thirty million, seven hundred forty-two thousand, sixty-two".

Divisors: 1 2 11 22 47 94 517 1034 126443 252886 1390873 2781746 5942821 11885642 65371031 130742062