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161142010 = 25831491303
BaseRepresentation
bin10011001101011…
…01010011111010
3102020012212021121
421212231103322
5312223021020
623553455454
73664453531
oct1146552372
9366185247
10161142010
1182a62417
1245b7158a
1327500503
1417589318
15e230baa
hex99ad4fa

161142010 has 32 divisors (see below), whose sum is σ = 295747200. Its totient is φ = 63204288.

The previous prime is 161141977. The next prime is 161142011. The reversal of 161142010 is 10241161.

It is not an unprimeable number, because it can be changed into a prime (161142011) 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, 123019 + ... + 124321.

It is an arithmetic number, because the mean of its divisors is an integer number (9242100).

Almost surely, 2161142010 is an apocalyptic number.

161142010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161142010 is a deficient number, since it is larger than the sum of its proper divisors (134605190).

161142010 is a wasteful number, since it uses less digits than its factorization.

161142010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 161142010 is about 12694.1722849503. The cubic root of 161142010 is about 544.1720841292.

Adding to 161142010 its reverse (10241161), we get a palindrome (171383171).

The spelling of 161142010 in words is "one hundred sixty-one million, one hundred forty-two thousand, ten".

Divisors: 1 2 5 10 83 149 166 298 415 745 830 1303 1490 2606 6515 12367 13030 24734 61835 108149 123670 194147 216298 388294 540745 970735 1081490 1941470 16114201 32228402 80571005 161142010