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141021001 = 1117754123
BaseRepresentation
bin10000110011111…
…00111101001001
3100211100121110001
420121330331021
5242100133001
621554323001
73331441642
oct1031747511
9324317401
10141021001
117266a190
123b289461
13232a6ca4
1414a2c6c9
15c5a9001
hex867cf49

141021001 has 8 divisors (see below), whose sum is σ = 162890784. Its totient is φ = 120659520.

The previous prime is 141020989. The next prime is 141021007. The reversal of 141021001 is 100120141.

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 141021001 - 211 = 141018953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141021007) 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, 376875 + ... + 377248.

It is an arithmetic number, because the mean of its divisors is an integer number (20361348).

Almost surely, 2141021001 is an apocalyptic number.

141021001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141021001 is a deficient number, since it is larger than the sum of its proper divisors (21869783).

141021001 is a wasteful number, since it uses less digits than its factorization.

141021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754151.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 141021001 is about 11875.2263557374. The cubic root of 141021001 is about 520.5086258580.

Adding to 141021001 its reverse (100120141), we get a palindrome (241141142).

The spelling of 141021001 in words is "one hundred forty-one million, twenty-one thousand, one".

Divisors: 1 11 17 187 754123 8295353 12820091 141021001