Search a number
-
+
1031377833385 = 5238968502899
BaseRepresentation
bin11110000001000101110…
…10001100110110101001
310122121011111100111221021
433000202322030312221
5113344230211132020
62105450342212441
7134341334635564
oct17004272146651
93577144314837
101031377833385
1136844a9985a9
12147a7a424121
1376348c4aa63
1437cc18734db
151bc663071aa
hexf022e8cda9

1031377833385 has 8 divisors (see below), whose sum is σ = 1291464417600. Its totient is φ = 789228255024.

The previous prime is 1031377833377. The next prime is 1031377833419. The reversal of 1031377833385 is 5833387731301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1031377833385 - 23 = 1031377833377 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 4484251335 + ... + 4484251564.

It is an arithmetic number, because the mean of its divisors is an integer number (161433052200).

Almost surely, 21031377833385 is an apocalyptic number.

It is an amenable number.

1031377833385 is a deficient number, since it is larger than the sum of its proper divisors (260086584215).

1031377833385 is an equidigital number, since it uses as much as digits as its factorization.

1031377833385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8968502927.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 1031377833385 in words is "one trillion, thirty-one billion, three hundred seventy-seven million, eight hundred thirty-three thousand, three hundred eighty-five".

Divisors: 1 5 23 115 8968502899 44842514495 206275566677 1031377833385