Search a number
-
+
20844800844802 = 2112235136637831
BaseRepresentation
bin1001011110101010011101…
…11100110010010000000010
32201210202002000021222010121
410233111032330302100002
510213010123004013202
6112155545212050454
74250662411513534
oct457251674622002
981722060258117
1020844800844802
116707259721600
122407a41763a2a
13b8286bb2191c
14520c7260d854
1526234b377537
hex12f54ef32402

20844800844802 has 24 divisors (see below), whose sum is σ = 34382700164736. Its totient is φ = 9470879055000.

The previous prime is 20844800844767. The next prime is 20844800844853.

20844800844802 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×208448008448023 (a number of 41 digits) contains 333 as substring.

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 self number, because there is not a number n which added to its sum of digits gives 20844800844802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17749974 + ... + 18887857.

It is an arithmetic number, because the mean of its divisors is an integer number (1432612506864).

Almost surely, 220844800844802 is an apocalyptic number.

20844800844802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20844800844802 is a deficient number, since it is larger than the sum of its proper divisors (13537899319934).

20844800844802 is a wasteful number, since it uses less digits than its factorization.

20844800844802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36640206 (or 36640195 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 52.

The spelling of 20844800844802 in words is "twenty trillion, eight hundred forty-four billion, eight hundred million, eight hundred forty-four thousand, eight hundred two".

Divisors: 1 2 11 22 121 242 2351 4702 25861 51722 284471 568942 36637831 73275662 403016141 806032282 4433177551 8866355102 86135540681 172271081362 947490947491 1894981894982 10422400422401 20844800844802