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12683831848 = 23291932291237
BaseRepresentation
bin10111101000000001…
…11110101000101000
31012201221212102021221
423310000332220220
5201434030104343
65454334311424
7626213535412
oct136400765050
935657772257
1012683831848
115419768666
12255b958574
131271a3295c
148847879b2
154e37ec5ed
hex2f403ea28

12683831848 has 64 divisors (see below), whose sum is σ = 24857802000. Its totient is φ = 6059999232.

The previous prime is 12683831837. The next prime is 12683831851. The reversal of 12683831848 is 84813838621.

It can be written as a sum of positive squares in 8 ways, for example, as 9612233764 + 3071598084 = 98042^2 + 55422^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12683831795 and 12683831804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10253086 + ... + 10254322.

Almost surely, 212683831848 is an apocalyptic number.

It is an amenable number.

12683831848 is a deficient number, since it is larger than the sum of its proper divisors (12173970152).

12683831848 is a wasteful number, since it uses less digits than its factorization.

12683831848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1690 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 52.

The spelling of 12683831848 in words is "twelve billion, six hundred eighty-three million, eight hundred thirty-one thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 29 58 116 193 229 232 386 458 772 916 1237 1544 1832 2474 4948 5597 6641 9896 11194 13282 22388 26564 35873 44197 44776 53128 71746 88394 143492 176788 238741 283273 286984 353576 477482 566546 954964 1133092 1281713 1909928 2266184 2563426 5126852 6923489 8214917 10253704 13846978 16429834 27693956 32859668 54671689 55387912 65719336 109343378 218686756 437373512 1585478981 3170957962 6341915924 12683831848