Search a number
-
+
30502255250453 = 7194110752277243
BaseRepresentation
bin1101110111101110111000…
…00101101100110000010101
310222222222122121120001202012
412323313130011230300111
512444222104321003303
6144512313112154005
76265500214521020
oct673673405546025
9128888577501665
1030502255250453
11979aa2a9955a8
12350765b698905
13140347289483c
14776461d101b7
1537d6788de5d8
hex1bbddc16cc15

30502255250453 has 32 divisors (see below), whose sum is σ = 37940732605440. Its totient is φ = 23938794656640.

The previous prime is 30502255250419. The next prime is 30502255250461. The reversal of 30502255250453 is 35405255220503.

It is a cyclic number.

It is not a de Polignac number, because 30502255250453 - 210 = 30502255249429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 30502255250453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30502255250473) 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, 25555151 + ... + 26722092.

It is an arithmetic number, because the mean of its divisors is an integer number (1185647893920).

Almost surely, 230502255250453 is an apocalyptic number.

It is an amenable number.

30502255250453 is a deficient number, since it is larger than the sum of its proper divisors (7438477354987).

30502255250453 is a wasteful number, since it uses less digits than its factorization.

30502255250453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52277417.

The product of its (nonzero) digits is 900000, while the sum is 41.

The spelling of 30502255250453 in words is "thirty trillion, five hundred two billion, two hundred fifty-five million, two hundred fifty thousand, four hundred fifty-three".

Divisors: 1 7 19 41 107 133 287 749 779 2033 4387 5453 14231 30709 83353 583471 52277243 365940701 993267617 2143366963 5593665001 6952873319 15003568741 39155655007 40723972297 106279635019 229340265041 285067806079 743957445133 1605381855287 4357465035779 30502255250453