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30140333423 = 1631433129037
BaseRepresentation
bin11100000100100000…
…001111110101101111
32212210112100120122022
4130010200033311233
5443211411132143
621502443540355
72114622415124
oct340440176557
985715316568
1030140333423
1111867483672
125a11b2a6bb
132ac448b125
14165cd3874b
15bb60e9268
hex70480fd6f

30140333423 has 8 divisors (see below), whose sum is σ = 30346640688. Its totient is φ = 29934287424.

The previous prime is 30140333393. The next prime is 30140333467. The reversal of 30140333423 is 32433304103.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30140333423 is a prime.

It is a super-2 number, since 2×301403334232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30140333392 and 30140333401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140333123) 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, 169061 + ... + 298097.

It is an arithmetic number, because the mean of its divisors is an integer number (3793330086).

Almost surely, 230140333423 is an apocalyptic number.

30140333423 is a deficient number, since it is larger than the sum of its proper divisors (206307265).

30140333423 is a wasteful number, since it uses less digits than its factorization.

30140333423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130633.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 30140333423 its reverse (32433304103), we get a palindrome (62573637526).

The spelling of 30140333423 in words is "thirty billion, one hundred forty million, three hundred thirty-three thousand, four hundred twenty-three".

Divisors: 1 163 1433 129037 233579 21033031 184910021 30140333423