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8103060290 = 2513531176061
BaseRepresentation
bin1111000101111101…
…01110001101000010
3202220201100010001002
413202332232031002
5113043340412130
63420020412002
7404541606323
oct74276561502
922821303032
108103060290
113488a6a146
1216a1847002
139c19b8840
1456c25444a
153265a6b45
hex1e2fae342

8103060290 has 32 divisors (see below), whose sum is σ = 16003851696. Its totient is φ = 2935445760.

The previous prime is 8103060211. The next prime is 8103060331. The reversal of 8103060290 is 920603018.

It is a Cunningham number, because it is equal to 900172+1.

It can be written as a sum of positive squares in 8 ways, for example, as 2917188121 + 5185872169 = 54011^2 + 72013^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581141 + ... + 594920.

Almost surely, 28103060290 is an apocalyptic number.

8103060290 is a deficient number, since it is larger than the sum of its proper divisors (7900791406).

8103060290 is a wasteful number, since it uses less digits than its factorization.

8103060290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176134.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 8103060290 is about 90017.0000055545. Note that the first 5 decimals coincide. The cubic root of 8103060290 is about 2008.5517392605.

The spelling of 8103060290 in words is "eight billion, one hundred three million, sixty thousand, two hundred ninety".

Divisors: 1 2 5 10 13 26 53 65 106 130 265 530 689 1378 3445 6890 1176061 2352122 5880305 11760610 15288793 30577586 62331233 76443965 124662466 152887930 311656165 623312330 810306029 1620612058 4051530145 8103060290