Search a number
-
+
5401213451 = 17331220887
BaseRepresentation
bin1010000011110111…
…11111101000001011
3111221102100001221122
411001323333220023
542030202312301
62251542425455
7250563361664
oct50173775013
914842301848
105401213451
112321931677
121068a3228b
136810065ba
143934a036b
152192a981b
hex141effa0b

5401213451 has 4 divisors (see below), whose sum is σ = 5432434512. Its totient is φ = 5369992392.

The previous prime is 5401213439. The next prime is 5401213457. The reversal of 5401213451 is 1543121045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1543121045 = 5308624209.

It is a cyclic number.

It is not a de Polignac number, because 5401213451 - 218 = 5400951307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5401213451.

It is not an unprimeable number, because it can be changed into a prime (5401213457) 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 3 ways as a sum of consecutive naturals, for example, 15610271 + ... + 15610616.

It is an arithmetic number, because the mean of its divisors is an integer number (1358108628).

Almost surely, 25401213451 is an apocalyptic number.

5401213451 is a deficient number, since it is larger than the sum of its proper divisors (31221061).

5401213451 is a wasteful number, since it uses less digits than its factorization.

5401213451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31221060.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5401213451 is about 73492.9483079839. The cubic root of 5401213451 is about 1754.5420461318.

Adding to 5401213451 its reverse (1543121045), we get a palindrome (6944334496).

The spelling of 5401213451 in words is "five billion, four hundred one million, two hundred thirteen thousand, four hundred fifty-one".

Divisors: 1 173 31220887 5401213451