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76934720000 = 2954240421
BaseRepresentation
bin100011110100110101…
…0101010101000000000
321100120201020201100002
41013221222222220000
52230030242020000
655202054015132
75362341221135
oct1075152525000
9240521221302
1076934720000
112a69a709926
1212ab13474a8
137341075278
143a1ba1c58c
1520043328d5
hex11e9aaaa00

76934720000 has 100 divisors (see below), whose sum is σ = 192088282386. Its totient is φ = 30773760000.

The previous prime is 76934719973. The next prime is 76934720003. The reversal of 76934720000 is 2743967.

It can be written as a sum of positive squares in 5 ways, for example, as 9990402304 + 66944317696 = 99952^2 + 258736^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×769347200002 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76934720003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 199790 + ... + 440210.

Almost surely, 276934720000 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 76934720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96044141193).

76934720000 is an abundant number, since it is smaller than the sum of its proper divisors (115153562386).

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

76934720000 is an frugal number, since it uses more digits than its factorization.

76934720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240459 (or 240428 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 76934720000 in words is "seventy-six billion, nine hundred thirty-four million, seven hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 512 625 640 800 1000 1250 1280 1600 2000 2500 2560 3200 4000 5000 6400 8000 10000 12800 16000 20000 32000 40000 64000 80000 160000 240421 320000 480842 961684 1202105 1923368 2404210 3846736 4808420 6010525 7693472 9616840 12021050 15386944 19233680 24042100 30052625 30773888 38467360 48084200 60105250 61547776 76934720 96168400 120210500 123095552 150263125 153869440 192336800 240421000 300526250 307738880 384673600 480842000 601052500 615477760 769347200 961684000 1202105000 1538694400 1923368000 2404210000 3077388800 3846736000 4808420000 7693472000 9616840000 15386944000 19233680000 38467360000 76934720000