Search a number
-
+
103728574891 = 317703434387
BaseRepresentation
bin110000010011010110…
…1000111000110101011
3100220202000121120110001
41200212231013012223
53144414003344031
6115352515203431
710331330224144
oct1404655070653
9326660546401
10103728574891
113aa9a092657
121812a5a6577
139a21129786
14504031cacb
152a71747861
hex1826b471ab

103728574891 has 8 divisors (see below), whose sum is σ = 107088804864. Its totient is φ = 100369229160.

The previous prime is 103728574819. The next prime is 103728574913. The reversal of 103728574891 is 198475827301.

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 103728574891 - 29 = 103728574379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103728577891) 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, 21600 + ... + 455986.

It is an arithmetic number, because the mean of its divisors is an integer number (13386100608).

Almost surely, 2103728574891 is an apocalyptic number.

103728574891 is a deficient number, since it is larger than the sum of its proper divisors (3360229973).

103728574891 is an equidigital number, since it uses as much as digits as its factorization.

103728574891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442121.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 103728574891 in words is "one hundred three billion, seven hundred twenty-eight million, five hundred seventy-four thousand, eight hundred ninety-one".

Divisors: 1 31 7703 238793 434387 13465997 3346083061 103728574891