Search a number
-
+
141378481 = 11310871151
BaseRepresentation
bin10000110110101…
…00001110110001
3100212000202211001
420123110032301
5242143102411
622010122001
73334461106
oct1033241661
9325022731
10141378481
1172893822
123b420301
13233a090a
1414ac2aad
15c629dc1
hex86d43b1

141378481 has 8 divisors (see below), whose sum is σ = 142884864. Its totient is φ = 139876800.

The previous prime is 141378469. The next prime is 141378499. The reversal of 141378481 is 184873141.

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 141378481 - 213 = 141370289 is a prime.

It is a super-2 number, since 2×1413784812 = 39975749779734722, which contains 22 as substring.

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 141378481.

It is not an unprimeable number, because it can be changed into a prime (141378581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122256 + ... + 123406.

It is an arithmetic number, because the mean of its divisors is an integer number (17860608).

Almost surely, 2141378481 is an apocalyptic number.

It is an amenable number.

141378481 is a deficient number, since it is larger than the sum of its proper divisors (1506383).

141378481 is a wasteful number, since it uses less digits than its factorization.

141378481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its digits is 21504, while the sum is 37.

The square root of 141378481 is about 11890.2683317072. The cubic root of 141378481 is about 520.9480743954.

The spelling of 141378481 in words is "one hundred forty-one million, three hundred seventy-eight thousand, four hundred eighty-one".

Divisors: 1 113 1087 1151 122831 130063 1251137 141378481