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472979526453 = 34721943145861
BaseRepresentation
bin1101110000111111100…
…01101101001100110101
31200012211202102102210000
412320133301231030311
530222130224321303
61001141144421513
746112605432500
oct6703761551465
91605752372700
10472979526453
11172653680825
12777bba77899
13357a914c3a5
1418c6c7b2137
15c4838a6da3
hex6e1fc6d335

472979526453 has 120 divisors (see below), whose sum is σ = 885288988320. Its totient is φ = 250092722880.

The previous prime is 472979526443. The next prime is 472979526473. The reversal of 472979526453 is 354625979274.

472979526453 is a `hidden beast` number, since 4 + 7 + 2 + 97 + 95 + 2 + 6 + 453 = 666.

It is not a de Polignac number, because 472979526453 - 25 = 472979526421 is a prime.

It is a super-2 number, since 2×4729795264532 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472979526443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3169743 + ... + 3315603.

It is an arithmetic number, because the mean of its divisors is an integer number (7377408236).

Almost surely, 2472979526453 is an apocalyptic number.

472979526453 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

472979526453 is a deficient number, since it is larger than the sum of its proper divisors (412309461867).

472979526453 is a wasteful number, since it uses less digits than its factorization.

472979526453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145949 (or 145933 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 63.

The spelling of 472979526453 in words is "four hundred seventy-two billion, nine hundred seventy-nine million, five hundred twenty-six thousand, four hundred fifty-three".

Divisors: 1 3 7 9 19 21 27 43 49 57 63 81 129 133 147 171 189 301 387 399 441 513 567 817 903 931 1161 1197 1323 1539 2107 2451 2709 2793 3483 3591 3969 5719 6321 7353 8127 8379 10773 17157 18963 22059 24381 25137 40033 51471 56889 66177 75411 120099 145861 154413 170667 360297 437583 463239 1021027 1080891 1312749 2771359 3063081 3242673 3938247 6272023 7147189 8314077 9189243 11814741 18816069 19399513 21441567 24942231 27567729 43904161 56448207 58198539 64324701 74826693 82703187 119168437 131712483 135796591 169344621 174595617 192974103 224480079 307329127 357505311 395137449 407389773 508033863 523786851 578922309 834179059 921987381 1072515933 1185412347 1222169319 1571360553 2502537177 2765962143 3217547799 3556237041 3666507957 5839253413 7507611531 8297886429 9652643397 10999523871 17517760239 22522834593 24893659287 52553280717 67568503779 157659842151 472979526453