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5148215473 = 5397136141
BaseRepresentation
bin1001100101101101…
…11000100010110001
3111021210021102222011
410302312320202301
541020420343343
62210504042521
7241402052362
oct46266704261
914253242864
105148215473
112202040535
12bb8163441
1364078445b
1436ba43b69
15201e8229d
hex132db88b1

5148215473 has 4 divisors (see below), whose sum is σ = 5245351668. Its totient is φ = 5051079280.

The previous prime is 5148215461. The next prime is 5148215489. The reversal of 5148215473 is 3745128415.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1630302129 + 3517913344 = 40377^2 + 59312^2 .

It is a cyclic number.

It is not a de Polignac number, because 5148215473 - 29 = 5148214961 is a prime.

It is a super-2 number, since 2×51482154732 = 53008245112873227458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5148215173) 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, 48568018 + ... + 48568123.

It is an arithmetic number, because the mean of its divisors is an integer number (1311337917).

Almost surely, 25148215473 is an apocalyptic number.

5148215473 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

5148215473 is a deficient number, since it is larger than the sum of its proper divisors (97136195).

5148215473 is an equidigital number, since it uses as much as digits as its factorization.

5148215473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97136194.

The product of its digits is 134400, while the sum is 40.

The square root of 5148215473 is about 71751.0660060183. The cubic root of 5148215473 is about 1726.7080160630.

The spelling of 5148215473 in words is "five billion, one hundred forty-eight million, two hundred fifteen thousand, four hundred seventy-three".

Divisors: 1 53 97136141 5148215473