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20000130240042 = 233571496480827
BaseRepresentation
bin1001000110000101001001…
…01010001000111000101010
32121210222211110112101102000
410203002210222020320222
510110140231320140132
6110311533305351430
74132650605032311
oct443024452107052
977728743471360
1020000130240042
11641100a133337
1222b01ab198576
13b21009284854
144d2023681278
1524a3b151087c
hex1230a4a88e2a

20000130240042 has 32 divisors (see below), whose sum is σ = 44445518424000. Its totient is φ = 6666592396464.

The previous prime is 20000130240037. The next prime is 20000130240107. The reversal of 20000130240042 is 24004203100002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20000130239997 and 20000130240024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154368 + ... + 6326459.

It is an arithmetic number, because the mean of its divisors is an integer number (1388922450750).

Almost surely, 220000130240042 is an apocalyptic number.

20000130240042 is an abundant number, since it is smaller than the sum of its proper divisors (24445388183958).

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

20000130240042 is a wasteful number, since it uses less digits than its factorization.

20000130240042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6537987 (or 6537981 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20000130240042 its reverse (24004203100002), we get a palindrome (44004333340044).

The spelling of 20000130240042 in words is "twenty trillion, one hundred thirty million, two hundred forty thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 57149 114298 171447 342894 514341 1028682 1543023 3086046 6480827 12961654 19442481 38884962 58327443 116654886 174982329 349964658 370372782223 740745564446 1111118346669 2222236693338 3333355040007 6666710080014 10000065120021 20000130240042