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38656696320 = 213325119533
BaseRepresentation
bin100100000000000111…
…100110000000000000
310200210001101122021100
4210000013212000000
51113132103240240
625431511054400
72535643332354
oct440007460000
9120701348240
1038656696320
1115437774110
1275aa071400
133850995108
141c2a017464
151013ae0e30
hex9001e6000

38656696320 has 336 divisors, whose sum is σ = 146199008592. Its totient is φ = 9370337280.

The previous prime is 38656696303. The next prime is 38656696327. The reversal of 38656696320 is 2369665683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38656696327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4050274 + ... + 4059806.

It is an arithmetic number, because the mean of its divisors is an integer number (435116097).

Almost surely, 238656696320 is an apocalyptic number.

38656696320 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 38656696320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73099504296).

38656696320 is an abundant number, since it is smaller than the sum of its proper divisors (107542312272).

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

38656696320 is a wasteful number, since it uses less digits than its factorization.

38656696320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581 (or 9554 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 38656696320 in words is "thirty-eight billion, six hundred fifty-six million, six hundred ninety-six thousand, three hundred twenty".