Search a number
-
+
75001002101 = 1725717166629
BaseRepresentation
bin100010111011001101…
…0000111100001110101
321011120221121200001122
41011312122013201311
52212100224031401
654242135433325
75263410666464
oct1056632074165
9234527550048
1075001002101
1129898123a63
1212651825845
1370c35673ac
1438b6c989db
151e3e6b421b
hex1176687875

75001002101 has 8 divisors (see below), whose sum is σ = 79721829720. Its totient is φ = 70314508288.

The previous prime is 75001002077. The next prime is 75001002133. The reversal of 75001002101 is 10120010057.

It can be written as a sum of positive squares in 4 ways, for example, as 39442357201 + 35558644900 = 198601^2 + 188570^2 .

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 75001002101 - 222 = 74996807797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75001002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75001002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8578946 + ... + 8587683.

It is an arithmetic number, because the mean of its divisors is an integer number (9965228715).

Almost surely, 275001002101 is an apocalyptic number.

It is an amenable number.

75001002101 is a deficient number, since it is larger than the sum of its proper divisors (4720827619).

75001002101 is a wasteful number, since it uses less digits than its factorization.

75001002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17166903.

The product of its (nonzero) digits is 70, while the sum is 17.

Adding to 75001002101 its reverse (10120010057), we get a palindrome (85121012158).

The spelling of 75001002101 in words is "seventy-five billion, one million, two thousand, one hundred one".

Divisors: 1 17 257 4369 17166629 291832693 4411823653 75001002101