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730145339568 = 24334339305843
BaseRepresentation
bin10101010000000000000…
…11011011100010110000
32120210122002021022112000
422220000003123202300
543430314201331233
61315231340334000
7103515452661621
oct12500003334260
92523562238460
10730145339568
11261720011477
12b9610244300
1353b1098b888
14274a6b83a48
1513ed583ed13
hexaa000db8b0

730145339568 has 80 divisors (see below), whose sum is σ = 2144526848640. Its totient is φ = 237721732416.

The previous prime is 730145339557. The next prime is 730145339633. The reversal of 730145339568 is 865933541037.

730145339568 is a `hidden beast` number, since 7 + 3 + 0 + 1 + 45 + 3 + 39 + 568 = 666.

It is a super-2 number, since 2×7301453395682 (a number of 25 digits) contains 22 as substring.

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

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, 19634346 + ... + 19671497.

It is an arithmetic number, because the mean of its divisors is an integer number (26806585608).

Almost surely, 2730145339568 is an apocalyptic number.

It is an amenable number.

730145339568 is an abundant number, since it is smaller than the sum of its proper divisors (1414381509072).

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

730145339568 is a wasteful number, since it uses less digits than its factorization.

730145339568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39305903 (or 39305891 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 730145339568 in words is "seven hundred thirty billion, one hundred forty-five million, three hundred thirty-nine thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 43 48 54 72 86 108 129 144 172 216 258 344 387 432 516 688 774 1032 1161 1548 2064 2322 3096 4644 6192 9288 18576 39305843 78611686 117917529 157223372 235835058 314446744 353752587 471670116 628893488 707505174 943340232 1061257761 1415010348 1690151249 1886680464 2122515522 2830020696 3380302498 4245031044 5070453747 5660041392 6760604996 8490062088 10140907494 13521209992 15211361241 16980124176 20281814988 27042419984 30422722482 40563629976 45634083723 60845444964 81127259952 91268167446 121690889928 182536334892 243381779856 365072669784 730145339568