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30212123310302 = 297155732594383
BaseRepresentation
bin1101101111010010011101…
…11000001011100011011110
310221222020202211010102021012
412313221032320023203132
512424443412031412202
6144131131405535222
76235516402646213
oct667511670134336
9127866684112235
1030212123310302
119698986a8676a
12347b38ab74512
1313b1cb63087cb
147663bb5c7b0a
15375d4772a152
hex1b7a4ee0b8de

30212123310302 has 8 divisors (see below), whose sum is σ = 45785382748896. Its totient is φ = 14950329060672.

The previous prime is 30212123310301. The next prime is 30212123310389. The reversal of 30212123310302 is 20301332121203.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212123310301) 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, 77866296998 + ... + 77866297385.

It is an arithmetic number, because the mean of its divisors is an integer number (5723172843612).

Almost surely, 230212123310302 is an apocalyptic number.

30212123310302 is a deficient number, since it is larger than the sum of its proper divisors (15573259438594).

30212123310302 is a wasteful number, since it uses less digits than its factorization.

30212123310302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155732594482.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30212123310302 its reverse (20301332121203), we get a palindrome (50513455431505).

The spelling of 30212123310302 in words is "thirty trillion, two hundred twelve billion, one hundred twenty-three million, three hundred ten thousand, three hundred two".

Divisors: 1 2 97 194 155732594383 311465188766 15106061655151 30212123310302