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1989698002320 = 243572179952471
BaseRepresentation
bin11100111101000011001…
…111100001110110010000
321001012202110211010220110
4130331003033201312100
5230044400142033240
64122015445241320
7263515366653300
oct34750317416620
97035673733813
101989698002320
116a790a718516
12281749a03240
13115821129a62
146c432597600
1536b53868c80
hex1cf433e1d90

1989698002320 has 240 divisors, whose sum is σ = 7597159786368. Its totient is φ = 428035829760.

The previous prime is 1989698002301. The next prime is 1989698002351. The reversal of 1989698002320 is 232008969891.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4776316 + ... + 5176155.

Almost surely, 21989698002320 is an apocalyptic number.

1989698002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1989698002320 is an abundant number, since it is smaller than the sum of its proper divisors (5607461784048).

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

1989698002320 is a wasteful number, since it uses less digits than its factorization.

1989698002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9952518 (or 9952505 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 1989698002320 in words is "one trillion, nine hundred eighty-nine billion, six hundred ninety-eight million, two thousand, three hundred twenty".