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131302003020020 = 22572933200926451
BaseRepresentation
bin11101110110101100100001…
…001111111001000011110100
3122012220100102100101200220122
4131312230201033321003310
5114202223000233120040
61143131150225151112
736441154015603520
oct3566544117710364
9565810370350818
10131302003020020
1138922959739a68
121288725b18b498
135835958643471
14245d09d78ad80
15102a6ee27b1b5
hex776b213f90f4

131302003020020 has 48 divisors (see below), whose sum is σ = 316200318634368. Its totient is φ = 44864185123200.

The previous prime is 131302003019959. The next prime is 131302003020047. The reversal of 131302003020020 is 20020300203131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1600422206 + ... + 1600504245.

It is an arithmetic number, because the mean of its divisors is an integer number (6587506638216).

Almost surely, 2131302003020020 is an apocalyptic number.

131302003020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131302003020020 is an abundant number, since it is smaller than the sum of its proper divisors (184898315614348).

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

131302003020020 is a wasteful number, since it uses less digits than its factorization.

131302003020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200926760 (or 3200926758 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 131302003020020 its reverse (20020300203131), we get a palindrome (151322303223151).

The spelling of 131302003020020 in words is "one hundred thirty-one trillion, three hundred two billion, three million, twenty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 293 586 1172 1465 2051 2930 4102 5860 8204 10255 20510 41020 3200926451 6401852902 12803705804 16004632255 22406485157 32009264510 44812970314 64018529020 89625940628 112032425785 224064851570 448129703140 937871450143 1875742900286 3751485800572 4689357250715 6565100151001 9378714501430 13130200302002 18757429002860 26260400604004 32825500755005 65651001510010 131302003020020