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5215348691 = 72413091493
BaseRepresentation
bin1001101101101101…
…11110011111010011
3111110110121011102122
410312312332133103
541140112124231
62221303004455
7243145506140
oct46666763723
914413534378
105215348691
112236a23733
12101673972b
1365165b157
1437691b3c7
15207ce377b
hex136dbe7d3

5215348691 has 8 divisors (see below), whose sum is σ = 5985132384. Its totient is φ = 4451748480.

The previous prime is 5215348681. The next prime is 5215348717. The reversal of 5215348691 is 1968435125.

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 5215348691 - 222 = 5211154387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5215348651) 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, 1544060 + ... + 1547433.

It is an arithmetic number, because the mean of its divisors is an integer number (748141548).

Almost surely, 25215348691 is an apocalyptic number.

5215348691 is a deficient number, since it is larger than the sum of its proper divisors (769783693).

5215348691 is a wasteful number, since it uses less digits than its factorization.

5215348691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091741.

The product of its digits is 259200, while the sum is 44.

The square root of 5215348691 is about 72217.3711166503. The cubic root of 5215348691 is about 1734.1811050817.

The spelling of 5215348691 in words is "five billion, two hundred fifteen million, three hundred forty-eight thousand, six hundred ninety-one".

Divisors: 1 7 241 1687 3091493 21640451 745049813 5215348691