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13027970795 = 57243228759
BaseRepresentation
bin11000010001000011…
…10000111011101011
31020121221102111011212
430020201300323223
5203140130031140
65552430343335
7640562632100
oct141041607353
936557374155
1013027970795
115585a4a314
12263705ab4b
1312c8116178
148b836aaa7
15513b29765
hex308870eeb

13027970795 has 36 divisors (see below), whose sum is σ = 18619396560. Its totient is φ = 8725407264.

The previous prime is 13027970789. The next prime is 13027970807. The reversal of 13027970795 is 59707972031.

It is not a de Polignac number, because 13027970795 - 224 = 13011193579 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 438626 + ... + 467384.

It is an arithmetic number, because the mean of its divisors is an integer number (517205460).

Almost surely, 213027970795 is an apocalyptic number.

13027970795 is a deficient number, since it is larger than the sum of its proper divisors (5591425765).

13027970795 is an equidigital number, since it uses as much as digits as its factorization.

13027970795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28864 (or 28814 counting only the distinct ones).

The product of its (nonzero) digits is 833490, while the sum is 50.

The spelling of 13027970795 in words is "thirteen billion, twenty-seven million, nine hundred seventy thousand, seven hundred ninety-five".

Divisors: 1 5 7 35 43 49 215 245 301 1505 1849 2107 9245 10535 12943 28759 64715 90601 143795 201313 453005 1006565 1236637 1409191 6183185 7045955 8656459 43282295 53175391 60595213 265876955 302976065 372227737 1861138685 2605594159 13027970795