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141939131 = 612326871
BaseRepresentation
bin10000111010111…
…01000110111011
3100220002020212212
420131131012323
5242314023011
622030125335
73342314465
oct1035350673
9326066785
10141939131
1173136a74
123b65084b
1323538b69
1414bcb135
15c6db08b
hex875d1bb

141939131 has 4 divisors (see below), whose sum is σ = 144266064. Its totient is φ = 139612200.

The previous prime is 141939121. The next prime is 141939169. The reversal of 141939131 is 131939141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131939141 = 502326267.

It is a cyclic number.

It is not a de Polignac number, because 141939131 - 226 = 74830267 is a prime.

It is a super-2 number, since 2×1419391312 = 40293433818070322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141939121) 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, 1163375 + ... + 1163496.

It is an arithmetic number, because the mean of its divisors is an integer number (36066516).

Almost surely, 2141939131 is an apocalyptic number.

141939131 is a deficient number, since it is larger than the sum of its proper divisors (2326933).

141939131 is an equidigital number, since it uses as much as digits as its factorization.

141939131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326932.

The product of its digits is 2916, while the sum is 32.

The square root of 141939131 is about 11913.8210075525. The cubic root of 141939131 is about 521.6357894034.

The spelling of 141939131 in words is "one hundred forty-one million, nine hundred thirty-nine thousand, one hundred thirty-one".

Divisors: 1 61 2326871 141939131