Search a number
-
+
1086645315731 = 3185940806839
BaseRepresentation
bin11111101000000010001…
…10111010100010010011
310211212211011212111220212
433310001012322202103
5120300422200100411
62151110432154335
7141336040532663
oct17640106724223
93755734774825
101086645315731
11389930a52048
121567233989ab
137b6160a0231
143a8459b21a3
151d3ed33c68b
hexfd011ba893

1086645315731 has 8 divisors (see below), whose sum is σ = 1123004236800. Its totient is φ = 1050368010120.

The previous prime is 1086645315727. The next prime is 1086645315761. The reversal of 1086645315731 is 1375135466801.

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 1086645315731 - 22 = 1086645315727 is a prime.

It is a super-2 number, since 2×10866453157312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1086645315731.

It is not an unprimeable number, because it can be changed into a prime (1086645315761) 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 7 ways as a sum of consecutive naturals, for example, 20376791 + ... + 20430048.

It is an arithmetic number, because the mean of its divisors is an integer number (140375529600).

Almost surely, 21086645315731 is an apocalyptic number.

1086645315731 is a deficient number, since it is larger than the sum of its proper divisors (36358921069).

1086645315731 is an equidigital number, since it uses as much as digits as its factorization.

1086645315731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40807729.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 1086645315731 in words is "one trillion, eighty-six billion, six hundred forty-five million, three hundred fifteen thousand, seven hundred thirty-one".

Divisors: 1 31 859 26629 40806839 1265012009 35053074701 1086645315731