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70671071080 = 23579145115413
BaseRepresentation
bin100000111010001010…
…0101111011101101000
320202102012002101100001
41001310110233131220
52124213243233310
652244342152344
75051203123051
oct1016424573550
9222365071301
1070671071080
1127a75a82775
12118437226b4
13688349842c
1435c5bbd728
151c894bb93a
hex107452f768

70671071080 has 64 divisors (see below), whose sum is σ = 161144121600. Its totient is φ = 27889555200.

The previous prime is 70671071077. The next prime is 70671071137. The reversal of 70671071080 is 8017017607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4577454 + ... + 4592866.

It is an arithmetic number, because the mean of its divisors is an integer number (2517876900).

Almost surely, 270671071080 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 70671071080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80572060800).

70671071080 is an abundant number, since it is smaller than the sum of its proper divisors (90473050520).

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

70671071080 is a wasteful number, since it uses less digits than its factorization.

70671071080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16954 (or 16950 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 37.

Adding to 70671071080 its reverse (8017017607), we get a palindrome (78688088687).

The spelling of 70671071080 in words is "seventy billion, six hundred seventy-one million, seventy-one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1451 1580 2902 3160 5804 7255 11608 14510 15413 29020 30826 58040 61652 77065 114629 123304 154130 229258 308260 458516 573145 616520 917032 1146290 1217627 2292580 2435254 4585160 4870508 6088135 9741016 12176270 22364263 24352540 44728526 48705080 89457052 111821315 178914104 223642630 447285260 894570520 1766776777 3533553554 7067107108 8833883885 14134214216 17667767770 35335535540 70671071080