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30253000774 = 215126500387
BaseRepresentation
bin11100001011001110…
…000010100001000110
32220002101100200012011
4130023032002201012
5443424232011044
621521550444434
72120461156303
oct341316024106
986071320164
1030253000774
1111915037287
125a4380371a
132b119185b9
14166dca60aa
15bc0e52134
hex70b382846

30253000774 has 4 divisors (see below), whose sum is σ = 45379501164. Its totient is φ = 15126500386.

The previous prime is 30253000769. The next prime is 30253000787. The reversal of 30253000774 is 47700035203.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7563250192 + ... + 7563250195.

It is an arithmetic number, because the mean of its divisors is an integer number (11344875291).

Almost surely, 230253000774 is an apocalyptic number.

30253000774 is a deficient number, since it is larger than the sum of its proper divisors (15126500390).

30253000774 is a wasteful number, since it uses less digits than its factorization.

30253000774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15126500389.

The product of its (nonzero) digits is 17640, while the sum is 31.

Adding to 30253000774 its reverse (47700035203), we get a palindrome (77953035977).

The spelling of 30253000774 in words is "thirty billion, two hundred fifty-three million, seven hundred seventy-four", and thus it is an aban number.

Divisors: 1 2 15126500387 30253000774