Search a number
-
+
1005050500601 = 7143578642943
BaseRepresentation
bin11101010000000011010…
…11011001010111111001
310120002012200211102211212
432220001223121113321
5112431320412004401
62045414104132505
7132420042204410
oct16500153312771
93502180742755
101005050500601
1135826a895834
12142951467135
1373a11729634
14369050d2477
151b224d45dbb
hexea01ad95f9

1005050500601 has 4 divisors (see below), whose sum is σ = 1148629143552. Its totient is φ = 861471857652.

The previous prime is 1005050500583. The next prime is 1005050500633. The reversal of 1005050500601 is 1060050505001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1005050500601 - 26 = 1005050500537 is a prime.

It is a super-2 number, since 2×10050505006012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005050500681) 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, 71789321465 + ... + 71789321478.

It is an arithmetic number, because the mean of its divisors is an integer number (287157285888).

Almost surely, 21005050500601 is an apocalyptic number.

It is an amenable number.

1005050500601 is a deficient number, since it is larger than the sum of its proper divisors (143578642951).

1005050500601 is an equidigital number, since it uses as much as digits as its factorization.

1005050500601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143578642950.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 1005050500601 in words is "one trillion, five billion, fifty million, five hundred thousand, six hundred one".

Divisors: 1 7 143578642943 1005050500601