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30123201342 = 2313386194889
BaseRepresentation
bin11100000011011110…
…111001001100111110
32212202100010011211210
4130003132321030332
5443143014420332
621501032425250
72114323662303
oct340336711476
985670104753
1030123201342
1111858842023
125a08248226
132ac0a701c0
14165a9590aa
15bb4862ecc
hex7037b933e

30123201342 has 16 divisors (see below), whose sum is σ = 64880741520. Its totient is φ = 9268677312.

The previous prime is 30123201341. The next prime is 30123201343. The reversal of 30123201342 is 24310232103.

It is an interprime number because it is at equal distance from previous prime (30123201341) and next prime (30123201343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123201341) 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, 193097367 + ... + 193097522.

It is an arithmetic number, because the mean of its divisors is an integer number (4055046345).

Almost surely, 230123201342 is an apocalyptic number.

30123201342 is an abundant number, since it is smaller than the sum of its proper divisors (34757540178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30123201342 is a wasteful number, since it uses less digits than its factorization.

30123201342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386194907.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30123201342 its reverse (24310232103), we get a palindrome (54433433445).

The spelling of 30123201342 in words is "thirty billion, one hundred twenty-three million, two hundred one thousand, three hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 386194889 772389778 1158584667 2317169334 5020533557 10041067114 15061600671 30123201342