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141107993 = 1310854461
BaseRepresentation
bin10000110100100…
…10001100011001
3100211112000202222
420122102030121
5242110423433
622000233425
73332253365
oct1032221431
9324460688
10141107993
1172719584
123b30b875
1323307770
1414a522a5
15c5c4b98
hex8692319

141107993 has 4 divisors (see below), whose sum is σ = 151962468. Its totient is φ = 130253520.

The previous prime is 141107957. The next prime is 141108061. The reversal of 141107993 is 399701141.

It is a happy number.

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 80766169 + 60341824 = 8987^2 + 7768^2 .

It is a cyclic number.

It is not a de Polignac number, because 141107993 - 26 = 141107929 is a prime.

It is a super-2 number, since 2×1411079932 = 39822931376976098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141107903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5427218 + ... + 5427243.

It is an arithmetic number, because the mean of its divisors is an integer number (37990617).

Almost surely, 2141107993 is an apocalyptic number.

141107993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

141107993 is a deficient number, since it is larger than the sum of its proper divisors (10854475).

141107993 is a wasteful number, since it uses less digits than its factorization.

141107993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10854474.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 141107993 is about 11878.8885422837. Note that the first 3 decimals coincide. The cubic root of 141107993 is about 520.6156330379.

The spelling of 141107993 in words is "one hundred forty-one million, one hundred seven thousand, nine hundred ninety-three".

Divisors: 1 13 10854461 141107993