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40031143000 = 2353268914887
BaseRepresentation
bin100101010010000010…
…101100010001011000
310211022211122202122221
4211102002230101120
51123440433034000
630220130153424
72615003046502
oct452202542130
9124284582587
1040031143000
1115a8259a262
127912422874
133a0c667884
141d1a796d72
1510945d961a
hex9520ac458

40031143000 has 64 divisors (see below), whose sum is σ = 93714004800. Its totient is φ = 16005427200.

The previous prime is 40031142973. The next prime is 40031143003. The reversal of 40031143000 is 34113004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40031143003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2681557 + ... + 2696443.

It is an arithmetic number, because the mean of its divisors is an integer number (1464281325).

Almost surely, 240031143000 is an apocalyptic number.

40031143000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40031143000 is an abundant number, since it is smaller than the sum of its proper divisors (53682861800).

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

40031143000 is a wasteful number, since it uses less digits than its factorization.

40031143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17597 (or 17583 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40031143000 its reverse (34113004), we get a palindrome (40065256004).

The spelling of 40031143000 in words is "forty billion, thirty-one million, one hundred forty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 2689 5378 10756 13445 14887 21512 26890 29774 53780 59548 67225 74435 107560 119096 134450 148870 268900 297740 336125 372175 537800 595480 672250 744350 1344500 1488700 1860875 2689000 2977400 3721750 7443500 14887000 40031143 80062286 160124572 200155715 320249144 400311430 800622860 1000778575 1601245720 2001557150 4003114300 5003892875 8006228600 10007785750 20015571500 40031143000