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2898889035840 = 2632573771127431
BaseRepresentation
bin101010001011110011010…
…000000101000001000000
3101021010112120011002212200
4222023303100011001000
5334443411043121330
610055421540353200
7416303113146030
oct52136320050100
911233476132780
102898889035840
11a18459317886
123a99a80a5800
13180496b01125
14a04424c18c0
1550617c09a60
hex2a2f3405040

2898889035840 has 1344 divisors, whose sum is σ = 11989418508288. Its totient is φ = 629146828800.

The previous prime is 2898889035821. The next prime is 2898889035881. The reversal of 2898889035840 is 485309888982.

It is a happy number.

2898889035840 is a `hidden beast` number, since 2 + 89 + 88 + 89 + 0 + 358 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a super-3 number, since 3×28988890358403 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6725960425 + ... + 6725960855.

Almost surely, 22898889035840 is an apocalyptic number.

2898889035840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2898889035840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5994709254144).

2898889035840 is an abundant number, since it is smaller than the sum of its proper divisors (9090529472448).

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

2898889035840 is a wasteful number, since it uses less digits than its factorization.

2898889035840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 318504960, while the sum is 72.

The spelling of 2898889035840 in words is "two trillion, eight hundred ninety-eight billion, eight hundred eighty-nine million, thirty-five thousand, eight hundred forty".