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30530402256461 = 269431263331599
BaseRepresentation
bin1101111000100011010011…
…10010000000011001001101
311000002200022020010010020012
412330101221302000121031
513000202230434201321
6144533250112203005
76300514554235022
oct674215162003115
9130080266103205
1030530402256461
119800964169838
123510bb5b39465
13140600a0a3793
14777972209549
1537e2749e305b
hex1bc469c8064d

30530402256461 has 8 divisors (see below), whose sum is σ = 30714997824000. Its totient is φ = 30346333353520.

The previous prime is 30530402256349. The next prime is 30530402256463. The reversal of 30530402256461 is 16465220403503.

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 30530402256461 - 214 = 30530402240077 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 (30530402256463) 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, 131549861 + ... + 131781738.

It is an arithmetic number, because the mean of its divisors is an integer number (3839374728000).

Almost surely, 230530402256461 is an apocalyptic number.

It is an amenable number.

30530402256461 is a deficient number, since it is larger than the sum of its proper divisors (184595567539).

30530402256461 is a wasteful number, since it uses less digits than its factorization.

30530402256461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263332299.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 30530402256461 its reverse (16465220403503), we get a palindrome (46995622659964).

The spelling of 30530402256461 in words is "thirty trillion, five hundred thirty billion, four hundred two million, two hundred fifty-six thousand, four hundred sixty-one".

Divisors: 1 269 431 115939 263331599 70836200131 113495919169 30530402256461