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67350630400 = 212528112
BaseRepresentation
bin111110101110011010…
…010001000000000000
320102211210002112000121
4332232122101000000
52100413230133100
650535045430024
74603003625014
oct765632210000
9212753075017
1067350630400
1126621747519
121107770b314
1364745aa231
14338cc02544
151b42c2c51a
hexfae691000

67350630400 has 117 divisors (see below), whose sum is σ = 167215357893. Its totient is φ = 26907033600.

The previous prime is 67350630397. The next prime is 67350630407. The reversal of 67350630400 is 403605376.

The square root of 67350630400 is 259520.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 24246226944 + 43104403456 = 155712^2 + 207616^2 .

It is a super-2 number, since 2×673506304002 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67350630407) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 83045995 + ... + 83046805.

Almost surely, 267350630400 is an apocalyptic number.

67350630400 is the 259520-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67350630400

67350630400 is an abundant number, since it is smaller than the sum of its proper divisors (99864727493).

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

67350630400 is an frugal number, since it uses more digits than its factorization.

67350630400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 67350630400 in words is "sixty-seven billion, three hundred fifty million, six hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 811 1024 1280 1600 1622 2048 2560 3200 3244 4055 4096 5120 6400 6488 8110 10240 12800 12976 16220 20275 20480 25600 25952 32440 40550 51200 51904 64880 81100 102400 103808 129760 162200 207616 259520 324400 415232 519040 648800 657721 830464 1038080 1297600 1315442 1660928 2076160 2595200 2630884 3288605 3321856 4152320 5190400 5261768 6577210 8304640 10380800 10523536 13154420 16443025 16609280 20761600 21047072 26308840 32886050 41523200 42094144 52617680 65772100 83046400 84188288 105235360 131544200 168376576 210470720 263088400 336753152 420941440 526176800 673506304 841882880 1052353600 1347012608 1683765760 2104707200 2694025216 3367531520 4209414400 6735063040 8418828800 13470126080 16837657600 33675315200 67350630400