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102101212320311 = 10715718013374689
BaseRepresentation
bin10111001101110001001010…
…011111011101001000110111
3111101111210002000222222022202
4113031301022133131020313
5101340311240323222221
61001052352135015115
730335366136156341
oct2715611237351067
9441453060888282
10102101212320311
112a594976644276
12b54ba9550a49b
1344c8145405c39
141b2da2173c291
15bc0d48157d0b
hex5cdc4a7dd237

102101212320311 has 16 divisors (see below), whose sum is σ = 103769449708320. Its totient is φ = 100446913382400.

The previous prime is 102101212320259. The next prime is 102101212320323. The reversal of 102101212320311 is 113023212101201.

It is a cyclic number.

It is not a de Polignac number, because 102101212320311 - 210 = 102101212319287 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 (102101212320391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28567655 + ... + 31942343.

It is an arithmetic number, because the mean of its divisors is an integer number (6485590606770).

Almost surely, 2102101212320311 is an apocalyptic number.

102101212320311 is a deficient number, since it is larger than the sum of its proper divisors (1668237388009).

102101212320311 is a wasteful number, since it uses less digits than its factorization.

102101212320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376754.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 102101212320311 its reverse (113023212101201), we get a palindrome (215124424421512).

The spelling of 102101212320311 in words is "one hundred two trillion, one hundred one billion, two hundred twelve million, three hundred twenty thousand, three hundred eleven".

Divisors: 1 107 157 1801 16799 192707 282757 3374689 30254999 361091723 529826173 6077814889 56691400511 650326193123 954216937573 102101212320311