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20103243004 = 221329371272837
BaseRepresentation
bin10010101110001111…
…110010010011111100
31220220000210120000201
4102232033302103330
5312132412234004
613122454133244
71311114513625
oct225617622374
956800716021
1020103243004
118586836019
123a90651224
131b84bb5580
14d89cbca4c
157c9d616a4
hex4ae3f24fc

20103243004 has 96 divisors (see below), whose sum is σ = 40583854080. Its totient is φ = 8644672512.

The previous prime is 20103242941. The next prime is 20103243007. The reversal of 20103243004 is 40034230102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103243007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7084674 + ... + 7087510.

It is an arithmetic number, because the mean of its divisors is an integer number (422748480).

Almost surely, 220103243004 is an apocalyptic number.

It is an amenable number.

20103243004 is an abundant number, since it is smaller than the sum of its proper divisors (20480611076).

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

20103243004 is a wasteful number, since it uses less digits than its factorization.

20103243004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20103243004 its reverse (40034230102), we get a palindrome (60137473106).

It can be divided in two parts, 201032 and 43004, that added together give a square (244036 = 4942).

The spelling of 20103243004 in words is "twenty billion, one hundred three million, two hundred forty-three thousand, four".

Divisors: 1 2 4 13 26 29 37 52 58 74 116 127 148 254 377 481 508 754 962 1073 1508 1651 1924 2146 2837 3302 3683 4292 4699 5674 6604 7366 9398 11348 13949 14732 18796 27898 36881 47879 55796 61087 73762 82273 95758 104969 122174 136271 147524 164546 191516 209938 244348 272542 329092 360299 419876 545084 720598 1069549 1364597 1441196 1771523 2139098 2729194 3044101 3543046 4278196 4683887 5458388 6088202 7086092 9367774 10448671 12176404 13331063 18735548 20897342 26662126 39573313 41794684 53324252 79146626 135832723 158293252 173303819 271665446 346607638 386600827 543330892 693215276 773201654 1546403308 5025810751 10051621502 20103243004