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76755121000 = 235387612
BaseRepresentation
bin100011101111011110…
…1100011001101101000
321100010012022010211021
41013132331203031220
52224143302333000
655132200342224
75355030522655
oct1073675431550
9240105263737
1076755121000
112a6082a04a8
1212a61174974
137312ab1a7c
143a01c2ac2c
151ee36a811a
hex11def63368

76755121000 has 48 divisors (see below), whose sum is σ = 179627486220. Its totient is φ = 30698544000.

The previous prime is 76755120991. The next prime is 76755121013. The reversal of 76755121000 is 12155767.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 7479828196 + 69275292804 = 86486^2 + 263202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8756620 + ... + 8765380.

Almost surely, 276755121000 is an apocalyptic number.

It is an amenable number.

76755121000 is an abundant number, since it is smaller than the sum of its proper divisors (102872365220).

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

76755121000 is an frugal number, since it uses more digits than its factorization.

76755121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17543 (or 8768 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 34.

Adding to 76755121000 its reverse (12155767), we get a palindrome (76767276767).

The spelling of 76755121000 in words is "seventy-six billion, seven hundred fifty-five million, one hundred twenty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 8761 17522 35044 43805 70088 87610 175220 219025 350440 438050 876100 1095125 1752200 2190250 4380500 8761000 76755121 153510242 307020484 383775605 614040968 767551210 1535102420 1918878025 3070204840 3837756050 7675512100 9594390125 15351024200 19188780250 38377560500 76755121000