Search a number
-
+
20313154711 = 122811654031
BaseRepresentation
bin10010111010110000…
…100010010010010111
31221102122210011202101
4102322300202102113
5313100131422321
613155353222531
71316243652253
oct227260422227
957378704671
1020313154711
118684278873
123b2aa01a47
131bb9530195
14da9b21263
157dd4c7791
hex4bac22497

20313154711 has 4 divisors (see below), whose sum is σ = 20314821024. Its totient is φ = 20311488400.

The previous prime is 20313154699. The next prime is 20313154717. The reversal of 20313154711 is 11745131302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20313154711 - 211 = 20313152663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20313154711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313154717) 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, 814735 + ... + 839296.

It is an arithmetic number, because the mean of its divisors is an integer number (5078705256).

Almost surely, 220313154711 is an apocalyptic number.

20313154711 is a deficient number, since it is larger than the sum of its proper divisors (1666313).

20313154711 is a wasteful number, since it uses less digits than its factorization.

20313154711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666312.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 20313154711 in words is "twenty billion, three hundred thirteen million, one hundred fifty-four thousand, seven hundred eleven".

Divisors: 1 12281 1654031 20313154711