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7161052130 = 252293127097
BaseRepresentation
bin1101010101101010…
…01111101111100010
3200111001210010202222
412222311033233202
5104131212132010
63142330111042
7342312640001
oct65265175742
920431703688
107161052130
113045255501
12147a27b482
138a17a456b
144bd0c0c38
152bda2d355
hex1aad4fbe2

7161052130 has 16 divisors (see below), whose sum is σ = 12946185720. Its totient is φ = 2851911552.

The previous prime is 7161052127. The next prime is 7161052183. The reversal of 7161052130 is 312501617.

It is a Cunningham number, because it is equal to 846232+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6669498889 + 491553241 = 81667^2 + 22171^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7161052130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561259 + ... + 1565838.

Almost surely, 27161052130 is an apocalyptic number.

7161052130 is a deficient number, since it is larger than the sum of its proper divisors (5785133590).

7161052130 is a wasteful number, since it uses less digits than its factorization.

7161052130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127333.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 7161052130 is about 84623.0000059086. Note that the first 5 decimals coincide. The cubic root of 7161052130 is about 1927.4906428723.

Adding to 7161052130 its reverse (312501617), we get a palindrome (7473553747).

The spelling of 7161052130 in words is "seven billion, one hundred sixty-one million, fifty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 229 458 1145 2290 3127097 6254194 15635485 31270970 716105213 1432210426 3580526065 7161052130