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30640102077 = 313978099419
BaseRepresentation
bin11100100010010010…
…101101101010111101
32221002100202110100110
4130202102231222331
51000222331231302
622024215420233
72133201366444
oct344222555275
987070673313
1030640102077
1111aa35a2212
125b31384679
132b73b91b20
1416a946dd5b
15be4e18b6c
hex7224adabd

30640102077 has 16 divisors (see below), whose sum is σ = 44449616960. Its totient is φ = 18661059072.

The previous prime is 30640102063. The next prime is 30640102091. The reversal of 30640102077 is 77020104603.

It is an interprime number because it is at equal distance from previous prime (30640102063) and next prime (30640102091).

It is not a de Polignac number, because 30640102077 - 26 = 30640102013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30640102877) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4045927 + ... + 4053492.

It is an arithmetic number, because the mean of its divisors is an integer number (2778101060).

Almost surely, 230640102077 is an apocalyptic number.

It is an amenable number.

30640102077 is a deficient number, since it is larger than the sum of its proper divisors (13809514883).

30640102077 is a wasteful number, since it uses less digits than its factorization.

30640102077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8099532.

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 30640102077 in words is "thirty billion, six hundred forty million, one hundred two thousand, seventy-seven".

Divisors: 1 3 13 39 97 291 1261 3783 8099419 24298257 105292447 315877341 785643643 2356930929 10213367359 30640102077