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30256214043553 = 231315487567111
BaseRepresentation
bin1101110000100100100101…
…11000111110101110100001
310222010110120120121201211121
412320102102320332232201
512431204211243343203
6144203302435212241
76241640122002061
oct670222270765641
9128113516551747
1030256214043553
119705652060193
123487a34a47081
1313b61c1a2a394
147685a11a73a1
1537707840b0bd
hex1b8492e3eba1

30256214043553 has 4 divisors (see below), whose sum is σ = 31571701610688. Its totient is φ = 28940726476420.

The previous prime is 30256214043547. The next prime is 30256214043557. The reversal of 30256214043553 is 35534041265203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30256214043553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30256214043557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657743783533 + ... + 657743783578.

It is an arithmetic number, because the mean of its divisors is an integer number (7892925402672).

Almost surely, 230256214043553 is an apocalyptic number.

It is an amenable number.

30256214043553 is a deficient number, since it is larger than the sum of its proper divisors (1315487567135).

30256214043553 is a wasteful number, since it uses less digits than its factorization.

30256214043553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315487567134.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 30256214043553 in words is "thirty trillion, two hundred fifty-six billion, two hundred fourteen million, forty-three thousand, five hundred fifty-three".

Divisors: 1 23 1315487567111 30256214043553