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101220143102 = 2132476371657
BaseRepresentation
bin101111001000100110…
…0001100111111111110
3100200021012120000220222
41132101030030333332
53124244324034402
6114255550541342
710212221010011
oct1362114147776
9320235500828
10101220143102
1139a2214a731
121774a507852
139711537500
144c83115378
1529764037a2
hex179130cffe

101220143102 has 24 divisors (see below), whose sum is σ = 167905931616. Its totient is φ = 45723003456.

The previous prime is 101220143081. The next prime is 101220143201. The reversal of 101220143102 is 201341022101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3169943 + ... + 3201714.

It is an arithmetic number, because the mean of its divisors is an integer number (6996080484).

Almost surely, 2101220143102 is an apocalyptic number.

101220143102 is a deficient number, since it is larger than the sum of its proper divisors (66685788514).

101220143102 is a wasteful number, since it uses less digits than its factorization.

101220143102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371732 (or 6371719 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101220143102 its reverse (201341022101), we get a palindrome (302561165203).

The spelling of 101220143102 in words is "one hundred one billion, two hundred twenty million, one hundred forty-three thousand, one hundred two".

Divisors: 1 2 13 26 47 94 169 338 611 1222 7943 15886 6371657 12743314 82831541 165663082 299467879 598935758 1076810033 2153620066 3893082427 7786164854 50610071551 101220143102