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101543141 = 726912999
BaseRepresentation
bin1100000110101…
…10110011100101
321002001221000002
412003112303211
5201443340031
614024231045
72342050100
oct603266345
9232057002
10101543141
1152355957
122a00b485
1318063ccb
14d6b3737
158dabccb
hex60d6ce5

101543141 has 12 divisors (see below), whose sum is σ = 118332000. Its totient is φ = 86882040.

The previous prime is 101543129. The next prime is 101543149. The reversal of 101543141 is 141345101.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-101543141 is a prime.

It is a super-2 number, since 2×1015431412 = 20622018968291762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101543149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32360 + ... + 35358.

It is an arithmetic number, because the mean of its divisors is an integer number (9861000).

Almost surely, 2101543141 is an apocalyptic number.

It is an amenable number.

101543141 is a deficient number, since it is larger than the sum of its proper divisors (16788859).

101543141 is an equidigital number, since it uses as much as digits as its factorization.

101543141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704 (or 3697 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 101543141 is about 10076.8616642286. The cubic root of 101543141 is about 466.5342485406.

Adding to 101543141 its reverse (141345101), we get a palindrome (242888242).

The spelling of 101543141 in words is "one hundred one million, five hundred forty-three thousand, one hundred forty-one".

Divisors: 1 7 49 691 2999 4837 20993 33859 146951 2072309 14506163 101543141