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2122050402 = 232117891689
BaseRepresentation
bin111111001111011…
…1110101101100010
312110220000022220100
41332132332231202
513321221103102
6550322523230
7103405062603
oct17636765542
95426008810
102122050402
1199992996a
124b2806516
1327a83b634
14161b89daa
15c6470a1c
hex7e7beb62

2122050402 has 12 divisors (see below), whose sum is σ = 4597775910. Its totient is φ = 707350128.

The previous prime is 2122050377. The next prime is 2122050419. The reversal of 2122050402 is 2040502212.

2122050402 is a `hidden beast` number, since 212 + 2 + 0 + 50 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2111494401 + 10556001 = 45951^2 + 3249^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 117891689 = 2122050402 / (2 + 1 + 2 + 2 + 0 + 5 + 0 + 4 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58945827 + ... + 58945862.

Almost surely, 22122050402 is an apocalyptic number.

2122050402 is an abundant number, since it is smaller than the sum of its proper divisors (2475725508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122050402 is a wasteful number, since it uses less digits than its factorization.

2122050402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117891697 (or 117891694 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2122050402 is about 46065.7182946277. The cubic root of 2122050402 is about 1285.0456769887.

Adding to 2122050402 its reverse (2040502212), we get a palindrome (4162552614).

The spelling of 2122050402 in words is "two billion, one hundred twenty-two million, fifty thousand, four hundred two".

Divisors: 1 2 3 6 9 18 117891689 235783378 353675067 707350134 1061025201 2122050402