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133270288768 = 274126396557
BaseRepresentation
bin111110000011110000…
…1110011100110000000
3110201222211120010110001
41330013201303212000
54140414143220033
6141120140445344
712425363522641
oct1740741634600
9421884503401
10133270288768
1151579670521
12219b3b49854
13c74b583446
14664394d6c8
1536eeee7e7d
hex1f07873980

133270288768 has 64 divisors (see below), whose sum is σ = 273011951520. Its totient is φ = 64762040320.

The previous prime is 133270288759. The next prime is 133270288807. The reversal of 133270288768 is 867882072331.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1332702887682 (a number of 23 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331946 + ... + 1428502.

Almost surely, 2133270288768 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 133270288768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136505975760).

133270288768 is an abundant number, since it is smaller than the sum of its proper divisors (139741662752).

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

133270288768 is an equidigital number, since it uses as much as digits as its factorization.

133270288768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96875 (or 96863 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 133270288768 in words is "one hundred thirty-three billion, two hundred seventy million, two hundred eighty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 41 64 82 128 164 263 328 526 656 1052 1312 2104 2624 4208 5248 8416 10783 16832 21566 33664 43132 86264 96557 172528 193114 345056 386228 690112 772456 1380224 1544912 3089824 3958837 6179648 7917674 12359296 15835348 25394491 31670696 50788982 63341392 101577964 126682784 203155928 253365568 406311856 506731136 812623712 1041174131 1625247424 2082348262 3250494848 4164696524 8329393048 16658786096 33317572192 66635144384 133270288768