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13246357442 = 29768399971
BaseRepresentation
bin11000101011000101…
…10101111111000010
31021012011100200100012
430111202311333002
5204112031414232
610030231224522
7646154115623
oct142542657702
937164320305
1013246357442
11568825044a
122698218142
13133143a436
148d9377a4a
15527db69b2
hex3158b5fc2

13246357442 has 16 divisors (see below), whose sum is σ = 20103969312. Its totient is φ = 6545235840.

The previous prime is 13246357441. The next prime is 13246357477. The reversal of 13246357442 is 24475364231.

It is a self number, because there is not a number n which added to its sum of digits gives 13246357442.

It is not an unprimeable number, because it can be changed into a prime (13246357441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82517 + ... + 182487.

It is an arithmetic number, because the mean of its divisors is an integer number (1256498082).

Almost surely, 213246357442 is an apocalyptic number.

13246357442 is a deficient number, since it is larger than the sum of its proper divisors (6857611870).

13246357442 is an equidigital number, since it uses as much as digits as its factorization.

13246357442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100753.

The product of its digits is 483840, while the sum is 41.

The spelling of 13246357442 in words is "thirteen billion, two hundred forty-six million, three hundred fifty-seven thousand, four hundred forty-two".

Divisors: 1 2 97 194 683 1366 66251 99971 132502 199942 9697187 19394374 68280193 136560386 6623178721 13246357442