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5121942069 = 32196177743
BaseRepresentation
bin1001100010100101…
…01010001000110101
3111012221211121122010
410301102222020311
540442204121234
62204124554433
7240632534466
oct46122521065
914187747563
105121942069
112199225982
12bab3b2a19
136381b576a
14368364d6d
151ee9e26e9
hex1314aa235

5121942069 has 8 divisors (see below), whose sum is σ = 6829654912. Its totient is φ = 3414428640.

The previous prime is 5121942041. The next prime is 5121942107. The reversal of 5121942069 is 9602491215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5121942069 - 215 = 5121909301 is a prime.

It is a super-2 number, since 2×51219420692 = 52468581116384001522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121942029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27012 + ... + 104754.

It is an arithmetic number, because the mean of its divisors is an integer number (853706864).

Almost surely, 25121942069 is an apocalyptic number.

It is an amenable number.

5121942069 is a deficient number, since it is larger than the sum of its proper divisors (1707712843).

5121942069 is a wasteful number, since it uses less digits than its factorization.

5121942069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99707.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 5121942069 is about 71567.7446130588. The cubic root of 5121942069 is about 1723.7656443128.

The spelling of 5121942069 in words is "five billion, one hundred twenty-one million, nine hundred forty-two thousand, sixty-nine".

Divisors: 1 3 21961 65883 77743 233229 1707314023 5121942069