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215130234006 = 23211951679667
BaseRepresentation
bin1100100001011011000…
…0101101110010010110
3202120021210111012122200
43020112300231302112
512011041314442011
6242455055305330
721354061550262
oct3102660556226
9676253435580
10215130234006
1183266454a26
123583a81b246
1317395b3636c
14a5ab7270a2
1558e1911856
hex3216c2dc96

215130234006 has 12 divisors (see below), whose sum is σ = 466115507052. Its totient is φ = 71710077996.

The previous prime is 215130233963. The next prime is 215130234019. The reversal of 215130234006 is 600432031512.

215130234006 is a `hidden beast` number, since 2 + 15 + 1 + 302 + 340 + 0 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5975839816 + ... + 5975839851.

It is an arithmetic number, because the mean of its divisors is an integer number (38842958921).

Almost surely, 2215130234006 is an apocalyptic number.

215130234006 is an abundant number, since it is smaller than the sum of its proper divisors (250985273046).

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

215130234006 is a wasteful number, since it uses less digits than its factorization.

215130234006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11951679675 (or 11951679672 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 215130234006 its reverse (600432031512), we get a palindrome (815562265518).

The spelling of 215130234006 in words is "two hundred fifteen billion, one hundred thirty million, two hundred thirty-four thousand, six".

Divisors: 1 2 3 6 9 18 11951679667 23903359334 35855039001 71710078002 107565117003 215130234006