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30126707331 = 3747101302213
BaseRepresentation
bin11100000011101100…
…010001001010000011
32212202120201022011020
4130003230101022003
5443144414113311
621501235520523
72114365533660
oct340354211203
985676638136
1030126707331
111185a817136
125a09459143
132ac16c9c56
14165b1cca67
15bb4d06c06
hex703b11283

30126707331 has 32 divisors (see below), whose sum is σ = 47348471808. Its totient is φ = 16682102400.

The previous prime is 30126707327. The next prime is 30126707353. The reversal of 30126707331 is 13370762103.

It is a happy number.

It is not a de Polignac number, because 30126707331 - 22 = 30126707327 is a prime.

It is a super-2 number, since 2×301267073312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30126707292 and 30126707301.

It is not an unprimeable number, because it can be changed into a prime (30126707371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51420 + ... + 250793.

It is an arithmetic number, because the mean of its divisors is an integer number (1479639744).

Almost surely, 230126707331 is an apocalyptic number.

30126707331 is a deficient number, since it is larger than the sum of its proper divisors (17221764477).

30126707331 is a wasteful number, since it uses less digits than its factorization.

30126707331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302371.

The product of its (nonzero) digits is 15876, while the sum is 33.

The spelling of 30126707331 in words is "thirty billion, one hundred twenty-six million, seven hundred seven thousand, three hundred thirty-one".

Divisors: 1 3 7 21 47 101 141 303 329 707 987 2121 4747 14241 33229 99687 302213 906639 2115491 6346473 14204011 30523513 42612033 91570539 99428077 213664591 298284231 640993773 1434605111 4303815333 10042235777 30126707331