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101020120122 = 23295419107137
BaseRepresentation
bin101111000010101000…
…1001011010000111010
3100122202021011210222110
41132011101023100322
53123342122320442
6114224043433150
710204241565435
oct1360521132072
9318667153873
10101020120122
113992a251489
12176b35257b6
1396abc7290c
144c6472881c
152963a9269c
hex178544b43a

101020120122 has 32 divisors (see below), whose sum is σ = 209047665600. Its totient is φ = 32505919488.

The previous prime is 101020120121. The next prime is 101020120147. The reversal of 101020120122 is 221021020101.

It is a junction number, because it is equal to n+sod(n) for n = 101020120098 and 101020120107.

It is not an unprimeable number, because it can be changed into a prime (101020120121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889338 + ... + 996474.

It is an arithmetic number, because the mean of its divisors is an integer number (6532739550).

Almost surely, 2101020120122 is an apocalyptic number.

101020120122 is an abundant number, since it is smaller than the sum of its proper divisors (108027545478).

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

101020120122 is a wasteful number, since it uses less digits than its factorization.

101020120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112590.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101020120122 its reverse (221021020101), we get a palindrome (322041140223).

The spelling of 101020120122 in words is "one hundred one billion, twenty million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 29 58 87 174 5419 10838 16257 32514 107137 157151 214274 314302 321411 471453 642822 942906 3106973 6213946 9320919 18641838 580575403 1161150806 1741726209 3483452418 16836686687 33673373374 50510060061 101020120122