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7671395145 = 356713755717
BaseRepresentation
bin1110010010100000…
…00011001101001001
3201210122002020210010
413021100003031021
5111202334121040
63305120342133
7361050532341
oct71120031511
921718066703
107671395145
113287336797
1215a1174949
1395343b38b
1452aba9d21
152ed73ae80
hex1c9403349

7671395145 has 32 divisors (see below), whose sum is σ = 12548585088. Its totient is φ = 4000854528.

The previous prime is 7671395113. The next prime is 7671395203. The reversal of 7671395145 is 5415931767.

It is not a de Polignac number, because 7671395145 - 25 = 7671395113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7671395094 and 7671395103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109827 + ... + 165543.

It is an arithmetic number, because the mean of its divisors is an integer number (392143284).

Almost surely, 27671395145 is an apocalyptic number.

It is an amenable number.

7671395145 is a deficient number, since it is larger than the sum of its proper divisors (4877189943).

7671395145 is a wasteful number, since it uses less digits than its factorization.

7671395145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55929.

The product of its digits is 793800, while the sum is 48.

The square root of 7671395145 is about 87586.5009290815. The cubic root of 7671395145 is about 1972.2325300238.

The spelling of 7671395145 in words is "seven billion, six hundred seventy-one million, three hundred ninety-five thousand, one hundred forty-five".

Divisors: 1 3 5 15 67 137 201 335 411 685 1005 2055 9179 27537 45895 55717 137685 167151 278585 835755 3733039 7633229 11199117 18665195 22899687 38166145 55995585 114498435 511426343 1534279029 2557131715 7671395145