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5215140445 = 54722192087
BaseRepresentation
bin1001101101101100…
…01011101001011101
3111110110012120202211
410312312023221131
541140033443240
62221254320421
7243143651044
oct46666135135
914413176684
105215140445
1122368a1229
121016659111
136515b7428
143768a555b
15207ca1bea
hex136d8ba5d

5215140445 has 8 divisors (see below), whose sum is σ = 6391321344. Its totient is φ = 4083343824.

The previous prime is 5215140443. The next prime is 5215140461. The reversal of 5215140445 is 5440415125.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5215140445 - 21 = 5215140443 is a prime.

It is a super-2 number, since 2×52151404452 = 54395379722149596050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215140443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11095809 + ... + 11096278.

It is an arithmetic number, because the mean of its divisors is an integer number (798915168).

Almost surely, 25215140445 is an apocalyptic number.

It is an amenable number.

5215140445 is a deficient number, since it is larger than the sum of its proper divisors (1176180899).

5215140445 is a wasteful number, since it uses less digits than its factorization.

5215140445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22192139.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 5215140445 is about 72215.9293023361. The cubic root of 5215140445 is about 1734.1580231425.

The spelling of 5215140445 in words is "five billion, two hundred fifteen million, one hundred forty thousand, four hundred forty-five".

Divisors: 1 5 47 235 22192087 110960435 1043028089 5215140445