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13313242474 = 2742772437
BaseRepresentation
bin11000110011000011…
…11111010101101010
31021100211012210100121
430121201333111222
5204231142224344
610041020553454
7650625460000
oct143141772552
937324183317
1013313242474
115711a84134
1226b66b288a
13134225818c
149041c8a70
1552dbc9684
hex31987f56a

13313242474 has 20 divisors (see below), whose sum is σ = 23296796514. Its totient is φ = 5705673288.

The previous prime is 13313242463. The next prime is 13313242477. The reversal of 13313242474 is 47424231331.

It can be written as a sum of positive squares in only one way, i.e., 13180647249 + 132595225 = 114807^2 + 11515^2 .

It is not an unprimeable number, because it can be changed into a prime (13313242477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1381417 + ... + 1391020.

Almost surely, 213313242474 is an apocalyptic number.

13313242474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13313242474 is a deficient number, since it is larger than the sum of its proper divisors (9983554040).

13313242474 is an frugal number, since it uses more digits than its factorization.

13313242474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772467 (or 2772446 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The spelling of 13313242474 in words is "thirteen billion, three hundred thirteen million, two hundred forty-two thousand, four hundred seventy-four".

Divisors: 1 2 7 14 49 98 343 686 2401 4802 2772437 5544874 19407059 38814118 135849413 271698826 950945891 1901891782 6656621237 13313242474