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30234212144 = 2413611388419
BaseRepresentation
bin11100001010000110…
…010111011100110000
32220001002000010000222
4130022012113130300
5443404424242034
621520040032212
72120142364043
oct341206273460
986032003028
1030234212144
1111905474094
125a39462668
132b0aa6a676
14166b5b4c5a
15bbe49012e
hex70a197730

30234212144 has 20 divisors (see below), whose sum is σ = 58621869240. Its totient is φ = 15105987840.

The previous prime is 30234212117. The next prime is 30234212147. The reversal of 30234212144 is 44121243203.

It is not an unprimeable number, because it can be changed into a prime (30234212147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672434 + ... + 715985.

It is an arithmetic number, because the mean of its divisors is an integer number (2931093462).

Almost surely, 230234212144 is an apocalyptic number.

It is an amenable number.

30234212144 is a deficient number, since it is larger than the sum of its proper divisors (28387657096).

30234212144 is a wasteful number, since it uses less digits than its factorization.

30234212144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389788 (or 1389782 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 30234212144 its reverse (44121243203), we get a palindrome (74355455347).

The spelling of 30234212144 in words is "thirty billion, two hundred thirty-four million, two hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 1361 2722 5444 10888 21776 1388419 2776838 5553676 11107352 22214704 1889638259 3779276518 7558553036 15117106072 30234212144