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2989721537712 = 24327132329342059
BaseRepresentation
bin101011100000011001010…
…010100100110010110000
3101120210222211112021212200
4223200121102210302300
5342440422203201322
610205243100223200
7426000041524530
oct53403122446260
911523884467780
102989721537712
11a52a2a958948
1240351783ab00
13188c11245c60
14a49bbba94c0
1552b821cd8ac
hex2b8194a4cb0

2989721537712 has 480 divisors, whose sum is σ = 11116238515200. Its totient is φ = 728205907968.

The previous prime is 2989721537669. The next prime is 2989721537723. The reversal of 2989721537712 is 2177351279892.

2989721537712 is a `hidden beast` number, since 2 + 9 + 8 + 9 + 7 + 21 + 537 + 71 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 2989721537712.

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 95 ways as a sum of consecutive naturals, for example, 8569339 + ... + 8911397.

It is an arithmetic number, because the mean of its divisors is an integer number (23158830240).

Almost surely, 22989721537712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2989721537712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5558119257600).

2989721537712 is an abundant number, since it is smaller than the sum of its proper divisors (8126516977488).

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

2989721537712 is a wasteful number, since it uses less digits than its factorization.

2989721537712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342145 (or 342136 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 63.

The spelling of 2989721537712 in words is "two trillion, nine hundred eighty-nine billion, seven hundred twenty-one million, five hundred thirty-seven thousand, seven hundred twelve".