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28515142601 = 1119136436089
BaseRepresentation
bin11010100011101000…
…101000101111001001
32201121021021022221122
4122203220220233021
5431344334030401
621033310245025
72026426466351
oct324350505711
981537238848
1028515142601
1111103066760
1256397b6775
1328c587535a
141547167b61
15b1d5c121b
hex6a3a28bc9

28515142601 has 8 divisors (see below), whose sum is σ = 32744661600. Its totient is φ = 24558495840.

The previous prime is 28515142589. The next prime is 28515142613. The reversal of 28515142601 is 10624151582.

It is an interprime number because it is at equal distance from previous prime (28515142589) and next prime (28515142613).

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

It is a cyclic number.

It is not a de Polignac number, because 28515142601 - 214 = 28515126217 is a prime.

It is a super-2 number, since 2×285151426012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28515142681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68217836 + ... + 68218253.

It is an arithmetic number, because the mean of its divisors is an integer number (4093082700).

Almost surely, 228515142601 is an apocalyptic number.

It is an amenable number.

28515142601 is a deficient number, since it is larger than the sum of its proper divisors (4229518999).

28515142601 is a wasteful number, since it uses less digits than its factorization.

28515142601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136436119.

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 28515142601 in words is "twenty-eight billion, five hundred fifteen million, one hundred forty-two thousand, six hundred one".

Divisors: 1 11 19 209 136436089 1500796979 2592285691 28515142601