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103031020302212 = 2289574150411597
BaseRepresentation
bin10111011011010011000111…
…010111011010111110000100
3111111210200001221202102121202
4113123103013113122332010
5102001030012144132322
61003043444115002032
730462513505464242
oct2733230727327604
9444720057672552
10103031020302212
112a913234a47052
12b680128299318
134564a25535c52
141b62a29867792
15bda1174ce292
hex5db4c75daf84

103031020302212 has 24 divisors (see below), whose sum is σ = 182361939301080. Its totient is φ = 50927810743040.

The previous prime is 103031020302143. The next prime is 103031020302271. The reversal of 103031020302212 is 212203020130301.

It can be written as a sum of positive squares in 4 ways, for example, as 2689449122116 + 100341571180096 = 1639954^2 + 10017064^2 .

It is a super-2 number, since 2×1030310203022122 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23162003 + ... + 27249594.

It is an arithmetic number, because the mean of its divisors is an integer number (7598414137545).

Almost surely, 2103031020302212 is an apocalyptic number.

It is an amenable number.

103031020302212 is a deficient number, since it is larger than the sum of its proper divisors (79330918998868).

103031020302212 is a wasteful number, since it uses less digits than its factorization.

103031020302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50417431 (or 50417429 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 103031020302212 its reverse (212203020130301), we get a palindrome (315234040432513).

The spelling of 103031020302212 in words is "one hundred three trillion, thirty-one billion, twenty million, three hundred two thousand, two hundred twelve".

Divisors: 1 2 4 89 178 356 5741 11482 22964 510949 1021898 2043796 50411597 100823194 201646388 4486632133 8973264266 17946528532 289412978377 578825956754 1157651913508 25757755075553 51515510151106 103031020302212