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38289335040 = 283551119231
BaseRepresentation
bin100011101010001110…
…001110001100000000
310122211110010202100000
4203222032032030000
51111404032210130
625331225200000
72523562656255
oct435216161400
9118743122300
1038289335040
1115269371150
127507030000
1337c2840888
141bd330b42c
15ee1728260
hex8ea38e300

38289335040 has 1296 divisors, whose sum is σ = 163278775296. Its totient is φ = 8510054400.

The previous prime is 38289335011. The next prime is 38289335053. The reversal of 38289335040 is 4053398283.

38289335040 is a `hidden beast` number, since 38 + 2 + 89 + 33 + 504 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1235139825 + ... + 1235139855.

Almost surely, 238289335040 is an apocalyptic number.

38289335040 is a gapful number since it is divisible by the number (30) 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 38289335040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81639387648).

38289335040 is an abundant number, since it is smaller than the sum of its proper divisors (124989440256).

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

38289335040 is a wasteful number, since it uses less digits than its factorization.

38289335040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 38289335040 in words is "thirty-eight billion, two hundred eighty-nine million, three hundred thirty-five thousand, forty".