Search a number
-
+
71324148451 = 191425987679
BaseRepresentation
bin100001001101101000…
…0000010001011100011
320211002200222011001211
41002123100002023203
52132032440222301
652433232010551
75103323154523
oct1023320021343
9224080864054
1071324148451
1128280693436
12119a6390a57
13695888904a
143648821683
151cc69c1051
hex109b4022e3

71324148451 has 8 divisors (see below), whose sum is σ = 71715225600. Its totient is φ = 70933255560.

The previous prime is 71324148433. The next prime is 71324148509. The reversal of 71324148451 is 15484142317.

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 71324148451 - 221 = 71322051299 is a prime.

It is a super-3 number, since 3×713241484513 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71324248451) 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, 769630 + ... + 857308.

It is an arithmetic number, because the mean of its divisors is an integer number (8964403200).

Almost surely, 271324148451 is an apocalyptic number.

71324148451 is a deficient number, since it is larger than the sum of its proper divisors (391077149).

71324148451 is a wasteful number, since it uses less digits than its factorization.

71324148451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92129.

The product of its digits is 107520, while the sum is 40.

The spelling of 71324148451 in words is "seventy-one billion, three hundred twenty-four million, one hundred forty-eight thousand, four hundred fifty-one".

Divisors: 1 191 4259 87679 813469 16746689 373424861 71324148451