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13047019445 = 523314218693
BaseRepresentation
bin11000010011010100…
…11011011110110101
31020200021021021000102
430021222123132311
5203210014110240
65554350523445
7641213556365
oct141152333665
936607237012
1013047019445
11559577a8a9
122641506585
1312cc055565
148baac89a5
1551563d815
hex309a9b7b5

13047019445 has 32 divisors (see below), whose sum is σ = 16906143744. Its totient is φ = 9637689600.

The previous prime is 13047019423. The next prime is 13047019459. The reversal of 13047019445 is 54491074031.

It is not a de Polignac number, because 13047019445 - 210 = 13047018421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13047019399 and 13047019408.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1496519 + ... + 1505211.

It is an arithmetic number, because the mean of its divisors is an integer number (528316992).

Almost surely, 213047019445 is an apocalyptic number.

It is an amenable number.

13047019445 is a deficient number, since it is larger than the sum of its proper divisors (3859124299).

13047019445 is a wasteful number, since it uses less digits than its factorization.

13047019445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9173.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 13047019445 in words is "thirteen billion, forty-seven million, nineteen thousand, four hundred forty-five".

Divisors: 1 5 23 31 115 155 421 713 2105 3565 8693 9683 13051 43465 48415 65255 199939 269483 300173 999695 1347415 1500865 3659753 6198109 18298765 30990545 84174319 113452343 420871595 567261715 2609403889 13047019445