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30474786303431 = 238691276751699
BaseRepresentation
bin1101110110111011101101…
…10011111110110111000111
310222220100202020212222022222
412323131312303332313013
512443244330243202211
6144451531253242555
76263505420363251
oct673356663766707
9128810666788288
1030474786303431
11978a314435098
12350227433345b
1314009b59b2232
14774db7abacd1
1537cabc0c71db
hex1bb776cfedc7

30474786303431 has 4 divisors (see below), whose sum is σ = 30476063079000. Its totient is φ = 30473509527864.

The previous prime is 30474786303419. The next prime is 30474786303439. The reversal of 30474786303431 is 13430368747403.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30474786303431 is a prime.

It is a super-2 number, since 2×304747863034312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30474786303439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638351981 + ... + 638399718.

It is an arithmetic number, because the mean of its divisors is an integer number (7619015769750).

Almost surely, 230474786303431 is an apocalyptic number.

30474786303431 is a deficient number, since it is larger than the sum of its proper divisors (1276775569).

30474786303431 is a wasteful number, since it uses less digits than its factorization.

30474786303431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276775568.

The product of its (nonzero) digits is 12192768, while the sum is 53.

The spelling of 30474786303431 in words is "thirty trillion, four hundred seventy-four billion, seven hundred eighty-six million, three hundred three thousand, four hundred thirty-one".

Divisors: 1 23869 1276751699 30474786303431