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30868709423827 = 1128871167783243
BaseRepresentation
bin1110000010011001011100…
…11101011011101011010011
311001022000112102201212122211
413001030232131123223103
513021223104103030302
6145352520033012551
76334122252560152
oct701145635335323
9131260472655584
1030868709423827
1199213897a6940
1235666903b4157
13142bba3347812
1478a0a6b7b599
15387e7524dad7
hex1c132e75bad3

30868709423827 has 16 divisors (see below), whose sum is σ = 33689909659392. Its totient is φ = 28050003465120.

The previous prime is 30868709423803. The next prime is 30868709423947. The reversal of 30868709423827 is 72832490786803.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30868709423827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30868709424827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370784868 + ... + 370868110.

It is an arithmetic number, because the mean of its divisors is an integer number (2105619353712).

Almost surely, 230868709423827 is an apocalyptic number.

30868709423827 is a deficient number, since it is larger than the sum of its proper divisors (2821200235565).

30868709423827 is a wasteful number, since it uses less digits than its factorization.

30868709423827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97818.

The product of its (nonzero) digits is 195084288, while the sum is 67.

The spelling of 30868709423827 in words is "thirty trillion, eight hundred sixty-eight billion, seven hundred nine million, four hundred twenty-three thousand, eight hundred twenty-seven".

Divisors: 1 11 2887 11677 31757 83243 128447 915673 33711499 240322541 370826489 972028511 2643547951 10692313621 2806246311257 30868709423827