Search a number
-
+
20469150701 = 45263452227
BaseRepresentation
bin10011000100000011…
…100111001111101101
31221211112022121000122
4103010003213033231
5313410100310301
613223044534325
71323146624126
oct230403471755
957745277018
1020469150701
11875433597a
123b730b13a5
131c1294b2bc
14dc272b04d
157ec03d81b
hex4c40e73ed

20469150701 has 4 divisors (see below), whose sum is σ = 20469648192. Its totient is φ = 20468653212.

The previous prime is 20469150697. The next prime is 20469150731. The reversal of 20469150701 is 10705196402.

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 a cyclic number.

It is not a de Polignac number, because 20469150701 - 22 = 20469150697 is a prime.

It is a super-2 number, since 2×204691507012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20469150731) 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, 180851 + ... + 271376.

It is an arithmetic number, because the mean of its divisors is an integer number (5117412048).

Almost surely, 220469150701 is an apocalyptic number.

It is an amenable number.

20469150701 is a deficient number, since it is larger than the sum of its proper divisors (497491).

20469150701 is an equidigital number, since it uses as much as digits as its factorization.

20469150701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497490.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 20469150701 in words is "twenty billion, four hundred sixty-nine million, one hundred fifty thousand, seven hundred one".

Divisors: 1 45263 452227 20469150701