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212454025413 = 373953216649
BaseRepresentation
bin1100010111011100111…
…1110010100011000101
3202022101021201201121220
43011313033302203011
511440101212303123
6241333335030553
721230544264000
oct3056717624305
9668337651556
10212454025413
1182112838893
123521250b459
131705a55c996
14a3d6128537
1557d69cace3
hex31773f28c5

212454025413 has 32 divisors (see below), whose sum is σ = 330694560000. Its totient is φ = 121274350848.

The previous prime is 212454025403. The next prime is 212454025417. The reversal of 212454025413 is 314520454212.

It is not a de Polignac number, because 212454025413 - 214 = 212454009029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212454025417) 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, 872313 + ... + 1088961.

It is an arithmetic number, because the mean of its divisors is an integer number (10334205000).

Almost surely, 2212454025413 is an apocalyptic number.

It is an amenable number.

212454025413 is a deficient number, since it is larger than the sum of its proper divisors (118240534587).

212454025413 is an equidigital number, since it uses as much as digits as its factorization.

212454025413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217626 (or 217612 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 212454025413 its reverse (314520454212), we get a palindrome (526974479625).

The spelling of 212454025413 in words is "two hundred twelve billion, four hundred fifty-four million, twenty-five thousand, four hundred thirteen".

Divisors: 1 3 7 21 49 147 343 953 1029 2859 6671 20013 46697 140091 216649 326879 649947 980637 1516543 4549629 10615801 31847403 74310607 206466497 222931821 619399491 1445265479 4335796437 10116858353 30350575059 70818008471 212454025413