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30531134122 = 2172373534827
BaseRepresentation
bin11100011011110011…
…000010001010101010
32220210202201022102021
4130123303002022222
51000011432242442
622005324055054
72130406233556
oct343363021252
986722638367
1030531134122
1111a48035a55
125b0099448a
132b5742b448
141698bc6866
15bda591e67
hex71bcc22aa

30531134122 has 32 divisors (see below), whose sum is σ = 51292144512. Its totient is φ = 13554630144.

The previous prime is 30531134113. The next prime is 30531134131. The reversal of 30531134122 is 22143113503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30531134113) and next prime (30531134131).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210328 + ... + 324499.

It is an arithmetic number, because the mean of its divisors is an integer number (1602879516).

Almost surely, 230531134122 is an apocalyptic number.

30531134122 is a deficient number, since it is larger than the sum of its proper divisors (20761010390).

30531134122 is a wasteful number, since it uses less digits than its factorization.

30531134122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534942.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 30531134122 its reverse (22143113503), we get a palindrome (52674247625).

The spelling of 30531134122 in words is "thirty billion, five hundred thirty-one million, one hundred thirty-four thousand, one hundred twenty-two".

Divisors: 1 2 17 23 34 46 73 146 391 782 1241 1679 2482 3358 28543 57086 534827 1069654 9092059 12301021 18184118 24602042 39042371 78084742 209117357 418234714 663720307 897974533 1327440614 1795949066 15265567061 30531134122