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1420025112 = 23321113912899
BaseRepresentation
bin101010010100011…
…1101110100011000
310122222000202020200
41110220331310120
510402011300422
6352524022200
750122004622
oct12450756430
93588022220
101420025112
11669626980
12337691960
1319827045c
14d6845c12
15849ed2ac
hex54a3dd18

1420025112 has 96 divisors (see below), whose sum is σ = 4226040000. Its totient is φ = 427181760.

The previous prime is 1420025081. The next prime is 1420025137. The reversal of 1420025112 is 2115200241.

It is a super-2 number, since 2×14200251122 = 4032942637421225088, which contains 22 as substring.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103639 + ... + 116537.

It is an arithmetic number, because the mean of its divisors is an integer number (44021250).

Almost surely, 21420025112 is an apocalyptic number.

1420025112 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 1420025112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2113020000).

1420025112 is an abundant number, since it is smaller than the sum of its proper divisors (2806014888).

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

1420025112 is a wasteful number, since it uses less digits than its factorization.

1420025112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13061 (or 13054 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1420025112 is about 37683.2205630039. The cubic root of 1420025112 is about 1123.9974903166.

Adding to 1420025112 its reverse (2115200241), we get a palindrome (3535225353).

The spelling of 1420025112 in words is "one billion, four hundred twenty million, twenty-five thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 139 198 264 278 396 417 556 792 834 1112 1251 1529 1668 2502 3058 3336 4587 5004 6116 9174 10008 12232 12899 13761 18348 25798 27522 36696 38697 51596 55044 77394 103192 110088 116091 141889 154788 232182 283778 309576 425667 464364 567556 851334 928728 1135112 1277001 1702668 1792961 2554002 3405336 3585922 5108004 5378883 7171844 10216008 10757766 14343688 16136649 19722571 21515532 32273298 39445142 43031064 59167713 64546596 78890284 118335426 129093192 157780568 177503139 236670852 355006278 473341704 710012556 1420025112