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1520132129 = 17464319259
BaseRepresentation
bin101101010011011…
…0110000000100001
310220221101201020222
41122212312000201
511103123212004
6410501412425
752445624045
oct13246660041
93827351228
101520132129
1171009084a
1236510a115
131b2c20889
14105c64025
158d6c47be
hex5a9b6021

1520132129 has 8 divisors (see below), whose sum is σ = 1609981920. Its totient is φ = 1430330176.

The previous prime is 1520132111. The next prime is 1520132147. The reversal of 1520132129 is 9212310251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1520132111) and next prime (1520132147).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1520132129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1520132098 and 1520132107.

It is not an unprimeable number, because it can be changed into a prime (1520132149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69302 + ... + 88560.

It is an arithmetic number, because the mean of its divisors is an integer number (201247740).

Almost surely, 21520132129 is an apocalyptic number.

It is an amenable number.

1520132129 is a deficient number, since it is larger than the sum of its proper divisors (89849791).

1520132129 is a wasteful number, since it uses less digits than its factorization.

1520132129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23919.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1520132129 is about 38988.8718610836. The cubic root of 1520132129 is about 1149.8127304387.

The spelling of 1520132129 in words is "one billion, five hundred twenty million, one hundred thirty-two thousand, one hundred twenty-nine".

Divisors: 1 17 4643 19259 78931 327403 89419537 1520132129