Search a number
-
+
1988013300 = 223527213101103
BaseRepresentation
bin111011001111110…
…1010110011110100
312010112210112120020
41312133222303310
513032412411200
6525134005140
7100156556100
oct16637526364
95115715506
101988013300
119301aa8a9
124759467b0
13258b3b440
1414c058900
15b97e5ea0
hex767eacf4

1988013300 has 432 divisors, whose sum is σ = 7347779712. Its totient is φ = 411264000.

The previous prime is 1988013299. The next prime is 1988013317. The reversal of 1988013300 is 33108891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 19301049 + ... + 19301151.

Almost surely, 21988013300 is an apocalyptic number.

1988013300 is a gapful number since it is divisible by the number (10) 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 1988013300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3673889856).

1988013300 is an abundant number, since it is smaller than the sum of its proper divisors (5359766412).

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

1988013300 is a wasteful number, since it uses less digits than its factorization.

1988013300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1988013300 is about 44587.1427656000. The cubic root of 1988013300 is about 1257.3989552906.

The spelling of 1988013300 in words is "one billion, nine hundred eighty-eight million, thirteen thousand, three hundred".