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131330533043420 = 2258973781198339
BaseRepresentation
bin11101110111000111000101…
…110001010010110011011100
3122020000002001122200001110222
4131313013011301102303130
5114203204412424342140
61143152225230420512
736443214016031354
oct3567070561226334
9566002048601428
10131330533043420
1138933a6a1398a7
12128908a1961738
1358385542c8b09
1424606088a9b64
15102b31dcdb5b5
hex7771c5c52cdc

131330533043420 has 24 divisors (see below), whose sum is σ = 278892929725200. Its totient is φ = 51941963629952.

The previous prime is 131330533043419. The next prime is 131330533043449. The reversal of 131330533043420 is 24340335033131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36890597390 + ... + 36890600949.

It is an arithmetic number, because the mean of its divisors is an integer number (11620538738550).

Almost surely, 2131330533043420 is an apocalyptic number.

131330533043420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131330533043420 is an abundant number, since it is smaller than the sum of its proper divisors (147562396681780).

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

131330533043420 is a wasteful number, since it uses less digits than its factorization.

131330533043420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73781198437 (or 73781198435 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 35.

Adding to 131330533043420 its reverse (24340335033131), we get a palindrome (155670868076551).

The spelling of 131330533043420 in words is "one hundred thirty-one trillion, three hundred thirty billion, five hundred thirty-three million, forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 73781198339 147562396678 295124793356 368905991695 737811983390 1475623966780 6566526652171 13133053304342 26266106608684 32832633260855 65665266521710 131330533043420