Search a number
-
+
5145125105 = 52395742953
BaseRepresentation
bin1001100101010110…
…00110000011110001
3111021120110102210002
410302223012003301
541014123000410
62210313515345
7241333561511
oct46253060361
914246412702
105145125105
11220031a70a
12bb7112b55
1363cc41933
1436b47b841
15201a717a5
hex132ac60f1

5145125105 has 8 divisors (see below), whose sum is σ = 6174551592. Its totient is φ = 4115832448.

The previous prime is 5145125099. The next prime is 5145125107. The reversal of 5145125105 is 5015215415.

It can be written as a sum of positive squares in 4 ways, for example, as 244985104 + 4900140001 = 15652^2 + 70001^2 .

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 5145125105 - 214 = 5145108721 is a prime.

It is a super-2 number, since 2×51451251052 = 52944624692202522050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145125107) 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, 98309 + ... + 141261.

It is an arithmetic number, because the mean of its divisors is an integer number (771818949).

Almost surely, 25145125105 is an apocalyptic number.

It is an amenable number.

5145125105 is a deficient number, since it is larger than the sum of its proper divisors (1029426487).

5145125105 is a wasteful number, since it uses less digits than its factorization.

5145125105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66915.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 5145125105 is about 71729.5274276919. The cubic root of 5145125105 is about 1726.3624444559.

The spelling of 5145125105 in words is "five billion, one hundred forty-five million, one hundred twenty-five thousand, one hundred five".

Divisors: 1 5 23957 42953 119785 214765 1029025021 5145125105