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38720223500 = 22537191035653
BaseRepresentation
bin100100000011111001…
…111011100100001100
310200221110221011011212
4210003321323210030
51113244334123000
625442100433552
72540344316660
oct440371734414
9120843834155
1038720223500
111546a614012
1276073a88b8
133860ba866a
141c346328a0
15101948dc35
hex903e7b90c

38720223500 has 192 divisors, whose sum is σ = 102738155520. Its totient is φ = 12452486400.

The previous prime is 38720223497. The next prime is 38720223541. The reversal of 38720223500 is 532202783.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6846674 + ... + 6852326.

It is an arithmetic number, because the mean of its divisors is an integer number (535094560).

Almost surely, 238720223500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38720223500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51369077760).

38720223500 is an abundant number, since it is smaller than the sum of its proper divisors (64017932020).

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

38720223500 is a wasteful number, since it uses less digits than its factorization.

38720223500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801 (or 5789 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 38720223500 in words is "thirty-eight billion, seven hundred twenty million, two hundred twenty-three thousand, five hundred".