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161141488241 = 1741474918999
BaseRepresentation
bin1001011000010011000…
…1111111101001110001
3120101221020010202111012
42112010301333221301
510120004210110431
6202005525200305
714433144023156
oct2260461775161
9511836122435
10161141488241
1162381195178
1227291b60095
13122708b5656
147b2937222d
1542d1cbb22b
hex2584c7fa71

161141488241 has 16 divisors (see below), whose sum is σ = 178500672000. Its totient is φ = 144815301120.

The previous prime is 161141488223. The next prime is 161141488271. The reversal of 161141488241 is 142884141161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-161141488241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161141488271) 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, 2426741 + ... + 2492258.

It is an arithmetic number, because the mean of its divisors is an integer number (11156292000).

Almost surely, 2161141488241 is an apocalyptic number.

It is an amenable number.

161141488241 is a deficient number, since it is larger than the sum of its proper divisors (17359183759).

161141488241 is a wasteful number, since it uses less digits than its factorization.

161141488241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919104.

The product of its digits is 49152, while the sum is 41.

The spelling of 161141488241 in words is "one hundred sixty-one billion, one hundred forty-one million, four hundred eighty-eight thousand, two hundred forty-one".

Divisors: 1 17 41 47 697 799 1927 32759 4918999 83622983 201678959 231192953 3428542303 3930280201 9478911073 161141488241