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385087781376 = 2932312695787
BaseRepresentation
bin1011001101010010000…
…01010011101000000000
31100210222102121011201100
411212221001103220000
522302124433001001
6452523515334400
736551556063654
oct5465101235000
91323872534640
10385087781376
11139351016881
1262771151400
132a41004843c
14148d18aca64
15a03c673586
hex59a9053a00

385087781376 has 120 divisors (see below), whose sum is σ = 1147241107584. Its totient is φ = 124221818880.

The previous prime is 385087781359. The next prime is 385087781381. The reversal of 385087781376 is 673187780583.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1205046 + ... + 1490741.

Almost surely, 2385087781376 is an apocalyptic number.

385087781376 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

385087781376 is an abundant number, since it is smaller than the sum of its proper divisors (762153326208).

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

385087781376 is a wasteful number, since it uses less digits than its factorization.

385087781376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695842 (or 2695823 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 63.

The spelling of 385087781376 in words is "three hundred eighty-five billion, eighty-seven million, seven hundred eighty-one thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 72 93 96 124 128 144 186 192 248 256 279 288 372 384 496 512 558 576 744 768 992 1116 1152 1488 1536 1984 2232 2304 2976 3968 4464 4608 5952 7936 8928 11904 15872 17856 23808 35712 47616 71424 142848 2695787 5391574 8087361 10783148 16174722 21566296 24262083 32349444 43132592 48524166 64698888 83569397 86265184 97048332 129397776 167138794 172530368 194096664 250708191 258795552 334277588 345060736 388193328 501416382 517591104 668555176 690121472 752124573 776386656 1002832764 1035182208 1337110352 1380242944 1504249146 1552773312 2005665528 2070364416 2674220704 3008498292 3105546624 4011331056 4140728832 5348441408 6016996584 6211093248 8022662112 10696882816 12033993168 12422186496 16045324224 21393765632 24067986336 32090648448 42787531264 48135972672 64181296896 96271945344 128362593792 192543890688 385087781376