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2031212422 = 21015606211
BaseRepresentation
bin111100100010001…
…1101011110000110
312020120002021121201
41321010131132012
513124442244142
6533315533114
7101223010051
oct17104353606
95216067551
102031212422
11952625a58
124882ba19a
13264a85155
14153aa1a98
15bd4caab7
hex7911d786

2031212422 has 4 divisors (see below), whose sum is σ = 3046818636. Its totient is φ = 1015606210.

The previous prime is 2031212419. The next prime is 2031212429. The reversal of 2031212422 is 2242121302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2031212422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031212429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507803104 + ... + 507803107.

It is an arithmetic number, because the mean of its divisors is an integer number (761704659).

Almost surely, 22031212422 is an apocalyptic number.

2031212422 is a deficient number, since it is larger than the sum of its proper divisors (1015606214).

2031212422 is a wasteful number, since it uses less digits than its factorization.

2031212422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015606213.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2031212422 is about 45068.9740508923. The cubic root of 2031212422 is about 1266.4414449826.

Adding to 2031212422 its reverse (2242121302), we get a palindrome (4273333724).

The spelling of 2031212422 in words is "two billion, thirty-one million, two hundred twelve thousand, four hundred twenty-two".

Divisors: 1 2 1015606211 2031212422