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420200200122 = 2397721993471
BaseRepresentation
bin1100001110101011110…
…00100011011110111010
31111011121110210212011220
412013111320203132322
523341032222400442
6521012020332510
742233644524513
oct6072570433672
91434543725156
10420200200122
1115222a07076a
1269530244136
1330817640391
14164a2cbda0a
15ade500ceec
hex61d5e237ba

420200200122 has 16 divisors (see below), whose sum is σ = 849064323072. Its totient is φ = 138622746240.

The previous prime is 420200200109. The next prime is 420200200151. The reversal of 420200200122 is 221002002024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360996154 + ... + 360997317.

It is an arithmetic number, because the mean of its divisors is an integer number (53066520192).

Almost surely, 2420200200122 is an apocalyptic number.

420200200122 is an abundant number, since it is smaller than the sum of its proper divisors (428864122950).

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

420200200122 is a wasteful number, since it uses less digits than its factorization.

420200200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721993573.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 420200200122 its reverse (221002002024), we get a palindrome (641202202146).

The spelling of 420200200122 in words is "four hundred twenty billion, two hundred million, two hundred thousand, one hundred twenty-two".

Divisors: 1 2 3 6 97 194 291 582 721993471 1443986942 2165980413 4331960826 70033366687 140066733374 210100100061 420200200122