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10122012142 = 21110116327947
BaseRepresentation
bin10010110110101000…
…11010010111101110
3222010102100111022121
421123110122113232
5131212213342032
64352221503154
7505555453324
oct113324322756
928112314277
1010122012142
1143246805a0
121b65a11aba
13c5406a1c8
146c0443d14
153e395ea97
hex25b51a5ee

10122012142 has 32 divisors (see below), whose sum is σ = 16830509184. Its totient is φ = 4527252000.

The previous prime is 10122012137. The next prime is 10122012149. The reversal of 10122012142 is 24121022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122012149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348213 + ... + 376159.

It is an arithmetic number, because the mean of its divisors is an integer number (525953412).

Almost surely, 210122012142 is an apocalyptic number.

10122012142 is a deficient number, since it is larger than the sum of its proper divisors (6708497042).

10122012142 is a wasteful number, since it uses less digits than its factorization.

10122012142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28224.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10122012142 its reverse (24121022101), we get a palindrome (34243034243).

The spelling of 10122012142 in words is "ten billion, one hundred twenty-two million, twelve thousand, one hundred forty-two".

Divisors: 1 2 11 22 101 163 202 326 1111 1793 2222 3586 16463 27947 32926 55894 181093 307417 362186 614834 2822647 4555361 5645294 9110722 31049117 50108971 62098234 100217942 460091461 920182922 5061006071 10122012142