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5079972138 = 23846662023
BaseRepresentation
bin1001011101100101…
…00011100100101010
3111010000212022201020
410232302203210222
540400433102023
62200025233310
7236613023253
oct45662434452
914100768636
105079972138
11217756a28a
12b99332836
1362c5ac397
1436295bb2a
151eaea1de3
hex12eca392a

5079972138 has 8 divisors (see below), whose sum is σ = 10159944288. Its totient is φ = 1693324044.

The previous prime is 5079972133. The next prime is 5079972179. The reversal of 5079972138 is 8312799705.

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

5079972138 is an admirable number.

It is a super-2 number, since 2×50799721382 = 51612233845712582088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5079972133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423331006 + ... + 423331017.

It is an arithmetic number, because the mean of its divisors is an integer number (1269993036).

Almost surely, 25079972138 is an apocalyptic number.

5079972138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5079972138 is a wasteful number, since it uses less digits than its factorization.

5079972138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846662028.

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 5079972138 is about 71273.9232679105. The cubic root of 5079972138 is about 1719.0444640729.

The spelling of 5079972138 in words is "five billion, seventy-nine million, nine hundred seventy-two thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 846662023 1693324046 2539986069 5079972138