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2051030442 = 231272691641
BaseRepresentation
bin111101001000000…
…0011110110101010
312021221101010211110
41322100003312222
513200030433232
6535304411150
7101553320406
oct17220036652
95257333743
102051030442
1196283158a
12492a76ab6
13268c037a6
14156580106
15c00e2acc
hex7a403daa

2051030442 has 16 divisors (see below), whose sum is σ = 4134362112. Its totient is φ = 678293280.

The previous prime is 2051030431. The next prime is 2051030447. The reversal of 2051030442 is 2440301502.

It is a super-3 number, since 3×20510304423 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2051030447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345059 + ... + 1346582.

It is an arithmetic number, because the mean of its divisors is an integer number (258397632).

Almost surely, 22051030442 is an apocalyptic number.

2051030442 is an abundant number, since it is smaller than the sum of its proper divisors (2083331670).

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

2051030442 is a wasteful number, since it uses less digits than its factorization.

2051030442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691773.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2051030442 is about 45288.3035893375. The cubic root of 2051030442 is about 1270.5469035592.

Adding to 2051030442 its reverse (2440301502), we get a palindrome (4491331944).

The spelling of 2051030442 in words is "two billion, fifty-one million, thirty thousand, four hundred forty-two".

Divisors: 1 2 3 6 127 254 381 762 2691641 5383282 8074923 16149846 341838407 683676814 1025515221 2051030442