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385846145872 = 241119289739829
BaseRepresentation
bin1011001110101100011…
…10001111001101010000
31100212221021121002020021
411213112032033031100
522310203103131442
6453131045553224
736606425061115
oct5472616171520
91325837532207
10385846145872
111397000aa2a0
1262943115814
132a5011b1225
14149644ba90c
15a084023e67
hex59d638f350

385846145872 has 80 divisors (see below), whose sum is σ = 858779409600. Its totient is φ = 166092318720.

The previous prime is 385846145857. The next prime is 385846145899. The reversal of 385846145872 is 278541648583.

It is a self number, because there is not a number n which added to its sum of digits gives 385846145872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9667654 + ... + 9707482.

It is an arithmetic number, because the mean of its divisors is an integer number (10734742620).

Almost surely, 2385846145872 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 385846145872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429389704800).

385846145872 is an abundant number, since it is smaller than the sum of its proper divisors (472933263728).

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

385846145872 is a wasteful number, since it uses less digits than its factorization.

385846145872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42764 (or 42758 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 61.

The spelling of 385846145872 in words is "three hundred eighty-five billion, eight hundred forty-six million, one hundred forty-five thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 16 19 22 38 44 76 88 152 176 209 304 418 836 1672 2897 3344 5794 11588 23176 31867 39829 46352 55043 63734 79658 110086 127468 159316 220172 254936 318632 438119 440344 509872 605473 637264 756751 876238 880688 1210946 1513502 1752476 2421892 3027004 3504952 4843784 6054008 7009904 8324261 9687568 12108016 16648522 33297044 66594088 115384613 133188176 230769226 461538452 923076904 1269230743 1846153808 2192307647 2538461486 4384615294 5076922972 8769230588 10153845944 17538461176 20307691888 24115384117 35076922352 48230768234 96461536468 192923072936 385846145872