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141868121 = 3153791093
BaseRepresentation
bin10000111010010…
…11110001011001
3100212221122110212
420131023301121
5242304234441
622024420505
73341600453
oct1035136131
9325848425
10141868121
117309868a
123b617735
1323512745
1414bad2d3
15c6c4eeb
hex874bc59

141868121 has 16 divisors (see below), whose sum is σ = 151234560. Its totient is φ = 132874560.

The previous prime is 141868109. The next prime is 141868123. The reversal of 141868121 is 121868141.

It is a happy number.

141868121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 141868121 - 26 = 141868057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141868123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129251 + ... + 130343.

It is an arithmetic number, because the mean of its divisors is an integer number (9452160).

Almost surely, 2141868121 is an apocalyptic number.

It is an amenable number.

141868121 is a deficient number, since it is larger than the sum of its proper divisors (9366439).

141868121 is a wasteful number, since it uses less digits than its factorization.

141868121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its digits is 3072, while the sum is 32.

The square root of 141868121 is about 11910.8404825184. The cubic root of 141868121 is about 521.5487860616.

The spelling of 141868121 in words is "one hundred forty-one million, eight hundred sixty-eight thousand, one hundred twenty-one".

Divisors: 1 31 53 79 1093 1643 2449 4187 33883 57929 86347 129797 1795799 2676757 4576391 141868121