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142215041101 = 71731283136223
BaseRepresentation
bin1000010001110010101…
…1010101000001001101
3111121002012200121220111
42010130223111001031
54312224022303401
6145155505520021
713163135622040
oct2043453250115
9447065617814
10142215041101
1155349757321
122368b643011
131054575b8c3
146c518a2c57
153a7540ee51
hex211cad504d

142215041101 has 32 divisors (see below), whose sum is σ = 178272534528. Its totient is φ = 110634059520.

The previous prime is 142215041093. The next prime is 142215041119. The reversal of 142215041101 is 101140512241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142215041101 - 23 = 142215041093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142215041141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 975876 + ... + 1112098.

It is an arithmetic number, because the mean of its divisors is an integer number (5571016704).

Almost surely, 2142215041101 is an apocalyptic number.

It is an amenable number.

142215041101 is a deficient number, since it is larger than the sum of its proper divisors (36057493427).

142215041101 is a wasteful number, since it uses less digits than its factorization.

142215041101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136561.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 142215041101 its reverse (101140512241), we get a palindrome (243355553342).

The spelling of 142215041101 in words is "one hundred forty-two billion, two hundred fifteen million, forty-one thousand, one hundred one".

Divisors: 1 7 17 31 119 217 283 527 1981 3689 4811 8773 33677 61411 136223 149141 953561 1043987 2315791 4222913 16210537 29560391 38551109 71789521 269857763 502526647 655368853 1195084379 4587581971 8365590653 20316434443 142215041101