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8470423952952 = 23313181457328213
BaseRepresentation
bin111101101000010110010…
…0111000101111000111000
31002222202122102001020211220
41323100230213011320320
52102234412012443302
630003131541552040
71532653000433313
oct173205447057070
932882572036756
108470423952952
112776317552845
12b4975ba15620
134959b0456b80
14213d8389597a
15ea5062b54bc
hex7b42c9c5e38

8470423952952 has 128 divisors (see below), whose sum is σ = 22981229194560. Its totient is φ = 2586205532160.

The previous prime is 8470423952833. The next prime is 8470423952957. The reversal of 8470423952952 is 2592593240748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8470423952957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25643598 + ... + 25971810.

Almost surely, 28470423952952 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 8470423952952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11490614597280).

8470423952952 is an abundant number, since it is smaller than the sum of its proper divisors (14510805241608).

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

8470423952952 is a wasteful number, since it uses less digits than its factorization.

8470423952952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328873 (or 328869 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 8470423952952 in words is "eight trillion, four hundred seventy billion, four hundred twenty-three million, nine hundred fifty-two thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 181 312 362 457 543 724 914 1086 1371 1448 1828 2172 2353 2742 3656 4344 4706 5484 5941 7059 9412 10968 11882 14118 17823 18824 23764 28236 35646 47528 56472 71292 82717 142584 165434 248151 328213 330868 496302 656426 661736 984639 992604 1075321 1312852 1969278 1985208 2150642 2625704 3225963 3938556 4266769 4301284 6451926 7877112 8533538 8602568 12800307 12903852 17067076 25600614 25807704 34134152 51201228 59406553 102402456 118813106 149993341 178219659 237626212 299986682 356439318 449980023 475252424 599973364 712878636 772285189 899960046 1199946728 1425757272 1544570378 1799920092 1949913433 2316855567 3089140756 3599840184 3899826866 4633711134 5849740299 6178281512 7799653732 9267422268 11699480598 15599307464 18534844536 23398961196 27148794721 46797922392 54297589442 81446384163 108595178884 162892768326 217190357768 325785536652 352934331373 651571073304 705868662746 1058802994119 1411737325492 2117605988238 2823474650984 4235211976476 8470423952952