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75901689072 = 243211101474433
BaseRepresentation
bin100011010110000010…
…1111101110011110000
321020220201102022022100
41012230011331303300
52220421313022242
654511352340400
75324625466146
oct1065405756360
9236821368270
1075901689072
112a20a585460
12128633a4700
137208041671
143960753596
151e937c954c
hex11ac17dcf0

75901689072 has 120 divisors (see below), whose sum is σ = 234025008048. Its totient is φ = 22772736000.

The previous prime is 75901689013. The next prime is 75901689091. The reversal of 75901689072 is 27098610957.

It is a super-4 number, since 4×759016890724 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77233 + ... + 397200.

Almost surely, 275901689072 is an apocalyptic number.

75901689072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75901689072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117012504024).

75901689072 is an abundant number, since it is smaller than the sum of its proper divisors (158123318976).

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

75901689072 is a wasteful number, since it uses less digits than its factorization.

75901689072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474559 (or 474550 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 75901689072 in words is "seventy-five billion, nine hundred one million, six hundred eighty-nine thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 101 132 144 176 198 202 264 303 396 404 528 606 792 808 909 1111 1212 1584 1616 1818 2222 2424 3333 3636 4444 4848 6666 7272 8888 9999 13332 14544 17776 19998 26664 39996 53328 79992 159984 474433 948866 1423299 1897732 2846598 3795464 4269897 5218763 5693196 7590928 8539794 10437526 11386392 15656289 17079588 20875052 22772784 31312578 34159176 41750104 46968867 47917733 62625156 68318352 83500208 93937734 95835466 125250312 143753199 187875468 191670932 250500624 287506398 375750936 383341864 431259597 527095063 575012796 751501872 766683728 862519194 1054190126 1150025592 1581285189 1725038388 2108380252 2300051184 3162570378 3450076776 4216760504 4743855567 6325140756 6900153552 8433521008 9487711134 12650281512 18975422268 25300563024 37950844536 75901689072