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5212752043 = 21312446153
BaseRepresentation
bin1001101101011010…
…00100100010101011
3111110021201020111111
410312231010202223
541133431031133
62221131211151
7243114442552
oct46655044253
914407636444
105212752043
11223550a844
1210158a6ab7
13650c5c285
14376442d99
1520797e1cd
hex136b448ab

5212752043 has 4 divisors (see below), whose sum is σ = 5215200328. Its totient is φ = 5210303760.

The previous prime is 5212752019. The next prime is 5212752101. The reversal of 5212752043 is 3402572125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5212752043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5212751996 and 5212752014.

It is not an unprimeable number, because it can be changed into a prime (5212750043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220946 + ... + 1225207.

It is an arithmetic number, because the mean of its divisors is an integer number (1303800082).

Almost surely, 25212752043 is an apocalyptic number.

5212752043 is a deficient number, since it is larger than the sum of its proper divisors (2448285).

5212752043 is a wasteful number, since it uses less digits than its factorization.

5212752043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448284.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 5212752043 is about 72199.3908769319. The cubic root of 5212752043 is about 1733.8932492605.

The spelling of 5212752043 in words is "five billion, two hundred twelve million, seven hundred fifty-two thousand, forty-three".

Divisors: 1 2131 2446153 5212752043