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385620688356 = 223212771510319
BaseRepresentation
bin1011001110010001100…
…10001011110111100100
31100212100120100122122220
411213020302023313210
522304222344011411
6453052433352340
736601016524431
oct5471062136744
91325316318586
10385620688356
111395a4909772
126289b7086b0
132a496582707
141494258cb88
15a06e33bb06
hex59c8c8bde4

385620688356 has 24 divisors (see below), whose sum is σ = 899824490880. Its totient is φ = 128534103072.

The previous prime is 385620688241. The next prime is 385620688367. The reversal of 385620688356 is 653886026583.

385620688356 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 385620688356.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499836 + ... + 1010483.

It is an arithmetic number, because the mean of its divisors is an integer number (37492687120).

Almost surely, 2385620688356 is an apocalyptic number.

It is an amenable number.

385620688356 is an abundant number, since it is smaller than the sum of its proper divisors (514203802524).

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

385620688356 is a wasteful number, since it uses less digits than its factorization.

385620688356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531603 (or 1531601 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 60.

The spelling of 385620688356 in words is "three hundred eighty-five billion, six hundred twenty million, six hundred eighty-eight thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 21277 42554 63831 85108 127662 255324 1510319 3020638 4530957 6041276 9061914 18123828 32135057363 64270114726 96405172089 128540229452 192810344178 385620688356