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161842204962 = 23231128910719
BaseRepresentation
bin1001011010111010001…
…1000001000100100010
3120110202001122212010100
42112232203001010202
510122423101024322
6202203240043230
714456413021104
oct2265643010442
9513661585110
10161842204962
1162700783aa9
1227448763516
1312352b16029
147b94455574
154323580dac
hex25ae8c1122

161842204962 has 24 divisors (see below), whose sum is σ = 351785640960. Its totient is φ = 53773935480.

The previous prime is 161842204957. The next prime is 161842204963. The reversal of 161842204962 is 269402248161.

It is a happy number.

161842204962 is a `hidden beast` number, since 1 + 61 + 84 + 2 + 20 + 496 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (161842204963) 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, 14449762 + ... + 14460957.

It is an arithmetic number, because the mean of its divisors is an integer number (14657735040).

Almost surely, 2161842204962 is an apocalyptic number.

161842204962 is an abundant number, since it is smaller than the sum of its proper divisors (189943435998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161842204962 is a wasteful number, since it uses less digits than its factorization.

161842204962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28911038 (or 28911035 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 161842204962 in words is "one hundred sixty-one billion, eight hundred forty-two million, two hundred four thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 9 18 311 622 933 1866 2799 5598 28910719 57821438 86732157 173464314 260196471 520392942 8991233609 17982467218 26973700827 53947401654 80921102481 161842204962