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133710212660 = 22589373201389
BaseRepresentation
bin111110010000110111…
…1111110111000110100
3110210010111100120120112
41330201233332320310
54142314303301120
6141231533522152
712442315024613
oct1744157767064
9423114316515
10133710212660
1151784a24892
1221ab7343358
13c7bb762a3b
14668614787a
153728945bc5
hex1f21bfee34

133710212660 has 48 divisors (see below), whose sum is σ = 284709070800. Its totient is φ = 52741100544.

The previous prime is 133710212651. The next prime is 133710212683. The reversal of 133710212660 is 66212017331.

It can be written as a sum of positive squares in 8 ways, for example, as 308494096 + 133401718564 = 17564^2 + 365242^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563246 + ... + 764634.

It is an arithmetic number, because the mean of its divisors is an integer number (5931438975).

Almost surely, 2133710212660 is an apocalyptic number.

133710212660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133710212660 is an abundant number, since it is smaller than the sum of its proper divisors (150998858140).

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

133710212660 is a wasteful number, since it uses less digits than its factorization.

133710212660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201860 (or 201858 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 133710212660 its reverse (66212017331), we get a palindrome (199922229991).

The spelling of 133710212660 in words is "one hundred thirty-three billion, seven hundred ten million, two hundred twelve thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 89 178 356 373 445 746 890 1492 1780 1865 3730 7460 33197 66394 132788 165985 201389 331970 402778 663940 805556 1006945 2013890 4027780 17923621 35847242 71694484 75118097 89618105 150236194 179236210 300472388 358472420 375590485 751180970 1502361940 6685510633 13371021266 26742042532 33427553165 66855106330 133710212660