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1020303123102 = 232208511271849
BaseRepresentation
bin11101101100011101100…
…11100010001010011110
310121112120200022221110100
432312032303202022132
5113204040044414402
62100415404521530
7133500030310524
oct16661663421236
93545520287410
101020303123102
1136378757187a
121458a95502a6
13752a26c5953
1437550ab6314
151b818e0b71c
hexed8ece229e

1020303123102 has 24 divisors (see below), whose sum is σ = 2210675500800. Its totient is φ = 340098158880.

The previous prime is 1020303123061. The next prime is 1020303123109. The reversal of 1020303123102 is 2013213030201.

1020303123102 is a `hidden beast` number, since 10 + 2 + 0 + 30 + 312 + 310 + 2 = 666.

It is a super-2 number, since 2×10203031231022 (a number of 25 digits) 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 not an unprimeable number, because it can be changed into a prime (1020303123109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3617274 + ... + 3889122.

It is an arithmetic number, because the mean of its divisors is an integer number (92111479200).

Almost surely, 21020303123102 is an apocalyptic number.

1020303123102 is an abundant number, since it is smaller than the sum of its proper divisors (1190372377698).

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

1020303123102 is a wasteful number, since it uses less digits than its factorization.

1020303123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480368 (or 480365 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1020303123102 its reverse (2013213030201), we get a palindrome (3033516153303).

The spelling of 1020303123102 in words is "one trillion, twenty billion, three hundred three million, one hundred twenty-three thousand, one hundred two".

Divisors: 1 2 3 6 9 18 208511 271849 417022 543698 625533 815547 1251066 1631094 1876599 2446641 3753198 4893282 56683506839 113367013678 170050520517 340101041034 510151561551 1020303123102