Search a number
-
+
30621321041545 = 51323130729156679
BaseRepresentation
bin1101111011001100101001…
…11101101001011010001001
311000102100222111211221112201
412331212110331221122021
513003144431141312140
6145043123553240201
76310213611166213
oct675462475513211
9130370874757481
1030621321041545
11983647a482743
12352674a563061
131411769368870
1477c1191535b3
153817e685c49a
hex1bd994f69689

30621321041545 has 32 divisors (see below), whose sum is σ = 41293277222400. Its totient is φ = 21629204872704.

The previous prime is 30621321041539. The next prime is 30621321041581. The reversal of 30621321041545 is 54514012312603.

30621321041545 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 30621321041545 - 29 = 30621321041033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195361516 + ... + 195518194.

It is an arithmetic number, because the mean of its divisors is an integer number (1290414913200).

Almost surely, 230621321041545 is an apocalyptic number.

It is an amenable number.

30621321041545 is a deficient number, since it is larger than the sum of its proper divisors (10671956180855).

30621321041545 is a wasteful number, since it uses less digits than its factorization.

30621321041545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287449.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 30621321041545 in words is "thirty trillion, six hundred twenty-one billion, three hundred twenty-one million, forty-one thousand, five hundred forty-five".

Divisors: 1 5 13 23 65 115 299 1495 130729 156679 653645 783395 1699477 2036827 3006767 3603617 8497385 10184135 15033835 18018085 39087971 46847021 195439855 234235105 20482488991 102412444955 266272356883 471097246793 1331361784415 2355486233965 6124264208309 30621321041545