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30215264341 = 1491571291637
BaseRepresentation
bin11100001000111110…
…000101100001010101
32212222202100110112111
4130020332011201111
5443340101424331
621514121551021
72116522336453
oct341076054125
985882313474
1030215264341
11118a5802349
125a33045471
132b06b65152
141668c819d3
15bbc99adb1
hex708f85855

30215264341 has 8 divisors (see below), whose sum is σ = 30611820600. Its totient is φ = 29821291968.

The previous prime is 30215264323. The next prime is 30215264351. The reversal of 30215264341 is 14346251203.

It can be written as a sum of positive squares in 4 ways, for example, as 62331025 + 30152933316 = 7895^2 + 173646^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30215264341 - 221 = 30213167189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30215264351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622426 + ... + 669211.

It is an arithmetic number, because the mean of its divisors is an integer number (3826477575).

Almost surely, 230215264341 is an apocalyptic number.

It is an amenable number.

30215264341 is a deficient number, since it is larger than the sum of its proper divisors (396556259).

30215264341 is a wasteful number, since it uses less digits than its factorization.

30215264341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291943.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 30215264341 in words is "thirty billion, two hundred fifteen million, two hundred sixty-four thousand, three hundred forty-one".

Divisors: 1 149 157 23393 1291637 192453913 202787009 30215264341