Search a number
-
+
1005500501005 = 5711131011989101
BaseRepresentation
bin11101010000111001000…
…00000000110000001101
310120010101001120211100111
432220130200000300031
5112433231112013010
62045530501200021
7132434145145060
oct16503440006015
93503331524314
101005500501005
113584809017a0
12142a58100011
1373a83a26570
1436948b908d7
151b24e5d458a
hexea1c800c0d

1005500501005 has 64 divisors (see below), whose sum is σ = 1636092089856. Its totient is φ = 572860800000.

The previous prime is 1005500500993. The next prime is 1005500501011. The reversal of 1005500501005 is 5001050055001.

It is not a de Polignac number, because 1005500501005 - 25 = 1005500500973 is a prime.

It is a super-2 number, since 2×10055005010052 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 489046 + ... + 1500055.

It is an arithmetic number, because the mean of its divisors is an integer number (25563938904).

Almost surely, 21005500501005 is an apocalyptic number.

It is an amenable number.

1005500501005 is a deficient number, since it is larger than the sum of its proper divisors (630591588851).

1005500501005 is a wasteful number, since it uses less digits than its factorization.

1005500501005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989238.

The product of its (nonzero) digits is 625, while the sum is 22.

Adding to 1005500501005 its reverse (5001050055001), we get a palindrome (6006550556006).

The spelling of 1005500501005 in words is "one trillion, five billion, five hundred million, five hundred one thousand, five".

Divisors: 1 5 7 11 13 35 55 65 77 91 101 143 385 455 505 707 715 1001 1111 1313 3535 5005 5555 6565 7777 9191 14443 38885 45955 72215 101101 505505 1989101 9945505 13923707 21880111 25858313 69618535 109400555 129291565 153160777 181008191 200899201 284441443 765803885 905040955 1004496005 1406294407 1422207215 1991090101 2209891211 2611689613 7031472035 9955450505 11049456055 13058448065 15469238477 18281827291 28728585743 77346192385 91409136455 143642928715 201100100201 1005500501005