Search a number
-
+
30253000305 = 3511331955243
BaseRepresentation
bin11100001011001110…
…000010011001110001
32220002101100122112210
4130023032002121301
5443424232002210
621521550442333
72120461155033
oct341316023161
986071318483
1030253000305
11119150369a0
125a438033a9
132b11918318
14166dca5c53
15bc0e51e20
hex70b382671

30253000305 has 32 divisors (see below), whose sum is σ = 52822103040. Its totient is φ = 14663436480.

The previous prime is 30253000277. The next prime is 30253000319. The reversal of 30253000305 is 50300035203.

It is not a de Polignac number, because 30253000305 - 26 = 30253000241 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, 520014 + ... + 575256.

It is an arithmetic number, because the mean of its divisors is an integer number (1650690720).

Almost surely, 230253000305 is an apocalyptic number.

It is an amenable number.

30253000305 is a deficient number, since it is larger than the sum of its proper divisors (22569102735).

30253000305 is a wasteful number, since it uses less digits than its factorization.

30253000305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58581.

The product of its (nonzero) digits is 1350, while the sum is 21.

Adding to 30253000305 its reverse (50300035203), we get a palindrome (80553035508).

The spelling of 30253000305 in words is "thirty billion, two hundred fifty-three million, three hundred five", and thus it is an aban number.

Divisors: 1 3 5 11 15 33 55 165 3319 9957 16595 36509 49785 55243 109527 165729 182545 276215 547635 607673 828645 1823019 3038365 9115095 183351517 550054551 916757585 2016866687 2750272755 6050600061 10084333435 30253000305