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386661480660 = 22335713172571801
BaseRepresentation
bin1011010000001101101…
…00011111100011010100
31100222001002210101022000
411220012310133203110
522313340314340120
6453344013235300
736635555233350
oct5500664374324
91328032711260
10386661480660
11139a893643a4
1262b30192b30
132a6010a2c50
1414a008b8460
15a0d08c9990
hex5a06d1f8d4

386661480660 has 768 divisors, whose sum is σ = 1574614702080. Its totient is φ = 76441190400.

The previous prime is 386661480631. The next prime is 386661480683. The reversal of 386661480660 is 66084166683.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 386661480597 and 386661480606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 214691760 + ... + 214693560.

It is an arithmetic number, because the mean of its divisors is an integer number (2050279560).

Almost surely, 2386661480660 is an apocalyptic number.

386661480660 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 386661480660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787307351040).

386661480660 is an abundant number, since it is smaller than the sum of its proper divisors (1187953221420).

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

386661480660 is a wasteful number, since it uses less digits than its factorization.

386661480660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 386661480660 in words is "three hundred eighty-six billion, six hundred sixty-one million, four hundred eighty thousand, six hundred sixty".