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20031320301000 = 233536677106767
BaseRepresentation
bin1001000110111111001111…
…01110110001110111001000
32121220222100011010122111220
410203133213232301313020
510111143120444113000
6110334132252522040
74135133535132531
oct443374756616710
977828304118456
1020031320301000
116423265104818
1222b6254780320
13b23c3a071218
144d3741b8d688
1524b0d98601a0
hex1237e7bb1dc8

20031320301000 has 64 divisors (see below), whose sum is σ = 62497719348480. Its totient is φ = 5341685412800.

The previous prime is 20031320300993. The next prime is 20031320301001. The reversal of 20031320301000 is 10302313002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20031320301001) 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, 3338550384 + ... + 3338556383.

It is an arithmetic number, because the mean of its divisors is an integer number (976526864820).

Almost surely, 220031320301000 is an apocalyptic number.

20031320301000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20031320301000 is an abundant number, since it is smaller than the sum of its proper divisors (42466399047480).

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

20031320301000 is a wasteful number, since it uses less digits than its factorization.

20031320301000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677106791 (or 6677106777 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20031320301000 its reverse (10302313002), we get a palindrome (20041622614002).

The spelling of 20031320301000 in words is "twenty trillion, thirty-one billion, three hundred twenty million, three hundred one thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 6677106767 13354213534 20031320301 26708427068 33385533835 40062640602 53416854136 66771067670 80125281204 100156601505 133542135340 160250562408 166927669175 200313203010 267084270680 333855338350 400626406020 500783007525 667710676700 801252812040 834638345875 1001566015050 1335421353400 1669276691750 2003132030100 2503915037625 3338553383500 4006264060200 5007830075250 6677106767000 10015660150500 20031320301000