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749120848064 = 26191471418799
BaseRepresentation
bin10101110011010110001…
…01010000000011000000
32122121121112001000121222
422321223011100003000
544233144414114224
61332050311334212
7105056625101051
oct12715305200300
92577545030558
10749120848064
112697782098a6
12101227081368
1355846032704
1428386d84728
151474668cb5e
hexae6b1500c0

749120848064 has 56 divisors (see below), whose sum is σ = 1565842944000. Its totient is φ = 354604642560.

The previous prime is 749120848051. The next prime is 749120848067. The reversal of 749120848064 is 460848021947.

It is a super-3 number, since 3×7491208480643 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 749120847997 and 749120848015.

It is not an unprimeable number, because it can be changed into a prime (749120848067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579337 + ... + 1998135.

Almost surely, 2749120848064 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 749120848064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782921472000).

749120848064 is an abundant number, since it is smaller than the sum of its proper divisors (816722095936).

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

749120848064 is a wasteful number, since it uses less digits than its factorization.

749120848064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420301 (or 420291 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 749120848064 in words is "seven hundred forty-nine billion, one hundred twenty million, eight hundred forty-eight thousand, sixty-four".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 1216 1471 2942 5884 11768 23536 27949 47072 55898 94144 111796 223592 418799 447184 837598 894368 1675196 1788736 3350392 6700784 7957181 13401568 15914362 26803136 31828724 63657448 127314896 254629792 509259584 616053329 1232106658 2464213316 4928426632 9856853264 11705013251 19713706528 23410026502 39427413056 46820053004 93640106008 187280212016 374560424032 749120848064