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30531233122 = 2131174278197
BaseRepresentation
bin11100011011110011…
…011010010101100010
32220210202220100012221
4130123303122111202
51000011443424442
622005330141254
72130410125315
oct343363322542
986722810187
1030531233122
1111a480a3375
125b00a2182a
132b57464520
141698c1097c
15bda5b1467
hex71bcda562

30531233122 has 8 divisors (see below), whose sum is σ = 49319684316. Its totient is φ = 14091338352.

The previous prime is 30531233119. The next prime is 30531233141. The reversal of 30531233122 is 22133213503.

It can be written as a sum of positive squares in 2 ways, for example, as 27123125481 + 3408107641 = 164691^2 + 58379^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587139073 + ... + 587139124.

Almost surely, 230531233122 is an apocalyptic number.

30531233122 is a deficient number, since it is larger than the sum of its proper divisors (18788451194).

30531233122 is a wasteful number, since it uses less digits than its factorization.

30531233122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174278212.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 30531233122 its reverse (22133213503), we get a palindrome (52664446625).

The spelling of 30531233122 in words is "thirty billion, five hundred thirty-one million, two hundred thirty-three thousand, one hundred twenty-two".

Divisors: 1 2 13 26 1174278197 2348556394 15265616561 30531233122