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1212424130 = 254316271733
BaseRepresentation
bin100100001000100…
…0001111111000010
310010111101112020102
41020101001333002
54440340033010
6320150242402
742021302141
oct11021017702
93114345212
101212424130
11572422215
1229a056402
13164254538
14b7045758
1571691ba5
hex48441fc2

1212424130 has 32 divisors (see below), whose sum is σ = 2235777984. Its totient is φ = 473126976.

The previous prime is 1212424123. The next prime is 1212424133. The reversal of 1212424130 is 314242121.

It is not an unprimeable number, because it can be changed into a prime (1212424133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698744 + ... + 700476.

It is an arithmetic number, because the mean of its divisors is an integer number (69868062).

Almost surely, 21212424130 is an apocalyptic number.

1212424130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212424130 is a deficient number, since it is larger than the sum of its proper divisors (1023353854).

1212424130 is a wasteful number, since it uses less digits than its factorization.

1212424130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1212424130 is about 34819.8812462076. The cubic root of 1212424130 is about 1066.3133759465.

Adding to 1212424130 its reverse (314242121), we get a palindrome (1526666251).

The spelling of 1212424130 in words is "one billion, two hundred twelve million, four hundred twenty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 1627 1733 3254 3466 8135 8665 16270 17330 69961 74519 139922 149038 349805 372595 699610 745190 2819591 5639182 14097955 28195910 121242413 242484826 606212065 1212424130