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7668964224 = 273319116791
BaseRepresentation
bin1110010010001101…
…10001101110000000
3201210110111202012000
413021012301232000
5111201223323344
63304552304000
7361021056165
oct71106615600
921713452160
107668964224
113285a26369
1215a03a2000
13952a99a6c
1452a73606c
152ed40aa69
hex1c91b1b80

7668964224 has 128 divisors (see below), whose sum is σ = 23825568000. Its totient is φ = 2421757440.

The previous prime is 7668964223. The next prime is 7668964271. The reversal of 7668964224 is 4224698667.

7668964224 is a `hidden beast` number, since 76 + 68 + 96 + 422 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668964223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7269 + ... + 124059.

It is an arithmetic number, because the mean of its divisors is an integer number (186137250).

Almost surely, 27668964224 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 7668964224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11912784000).

7668964224 is an abundant number, since it is smaller than the sum of its proper divisors (16156603776).

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

7668964224 is a wasteful number, since it uses less digits than its factorization.

7668964224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116833 (or 116815 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 7668964224 is about 87572.6225712123. The cubic root of 7668964224 is about 1972.0241868700.

The spelling of 7668964224 in words is "seven billion, six hundred sixty-eight million, nine hundred sixty-four thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 96 108 114 128 144 152 171 192 216 228 288 304 342 384 432 456 513 576 608 684 864 912 1026 1152 1216 1368 1728 1824 2052 2432 2736 3456 3648 4104 5472 7296 8208 10944 16416 21888 32832 65664 116791 233582 350373 467164 700746 934328 1051119 1401492 1868656 2102238 2219029 2802984 3153357 3737312 4204476 4438058 5605968 6306714 6657087 7474624 8408952 8876116 11211936 12613428 13314174 14949248 16817904 17752232 19971261 22423872 25226856 26628348 33635808 35504464 39942522 44847744 50453712 53256696 59913783 67271616 71008928 79885044 100907424 106513392 119827566 134543232 142017856 159770088 201814848 213026784 239655132 284035712 319540176 403629696 426053568 479310264 639080352 852107136 958620528 1278160704 1917241056 2556321408 3834482112 7668964224