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1430142012 = 22321311327043
BaseRepresentation
bin101010100111110…
…0011110000111100
310200200001202000200
41111033203300330
510412104021022
6353524523500
750304002145
oct12517436074
93620052020
101430142012
11674306952
1233ab50590
1319a3a32a0
14d7d1aacc
158584abac
hex553e3c3c

1430142012 has 72 divisors (see below), whose sum is σ = 3927762384. Its totient is φ = 436133376.

The previous prime is 1430141981. The next prime is 1430142023. The reversal of 1430142012 is 2102410341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39363 + ... + 66405.

Almost surely, 21430142012 is an apocalyptic number.

1430142012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430142012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963881192).

1430142012 is an abundant number, since it is smaller than the sum of its proper divisors (2497620372).

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

1430142012 is a wasteful number, since it uses less digits than its factorization.

1430142012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27179 (or 27174 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1430142012 is about 37817.2184593209. The cubic root of 1430142012 is about 1126.6604647411.

Adding to 1430142012 its reverse (2102410341), we get a palindrome (3532552353).

The spelling of 1430142012 in words is "one billion, four hundred thirty million, one hundred forty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 113 117 156 226 234 339 452 468 678 1017 1356 1469 2034 2938 4068 4407 5876 8814 13221 17628 26442 27043 52884 54086 81129 108172 162258 243387 324516 351559 486774 703118 973548 1054677 1406236 2109354 3055859 3164031 4218708 6111718 6328062 9167577 12223436 12656124 18335154 27502731 36670308 39726167 55005462 79452334 110010924 119178501 158904668 238357002 357535503 476714004 715071006 1430142012