Search a number
-
+
30311343105045 = 3510340274871863
BaseRepresentation
bin1101110010001011010001…
…10101101010010000010101
310222022201212121200020002220
412321011220311222100111
512433110112313330140
6144244501102252553
76245631224203632
oct671055065522025
9128281777606086
1030311343105045
119726a71a71032
12349665b587159
1313bb4692a6222
1476b110b93189
153787031ecbd0
hex1b9168d6a415

30311343105045 has 32 divisors (see below), whose sum is σ = 48981175007232. Its totient is φ = 16005118992192.

The previous prime is 30311343105019. The next prime is 30311343105049. The reversal of 30311343105045 is 54050134311303.

It is not a de Polignac number, because 30311343105045 - 215 = 30311343072277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30311343104997 and 30311343105015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311343105049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3785784 + ... + 8657646.

It is an arithmetic number, because the mean of its divisors is an integer number (1530661718976).

Almost surely, 230311343105045 is an apocalyptic number.

It is an amenable number.

30311343105045 is a deficient number, since it is larger than the sum of its proper divisors (18669831902187).

30311343105045 is a wasteful number, since it uses less digits than its factorization.

30311343105045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876001.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 30311343105045 its reverse (54050134311303), we get a palindrome (84361477416348).

The spelling of 30311343105045 in words is "thirty trillion, three hundred eleven billion, three hundred forty-three million, one hundred five thousand, forty-five".

Divisors: 1 3 5 15 103 309 515 1545 4027 12081 20135 60405 414781 1244343 2073905 4871863 6221715 14615589 24359315 73077945 501801889 1505405667 2509009445 7527028335 19618992301 58856976903 98094961505 294284884515 2020756207003 6062268621009 10103781035015 30311343105045