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30351794473 = 721113319271
BaseRepresentation
bin11100010001000110…
…111010000100101001
32220100021020220200001
4130101012322010221
5444130024410343
621535440143001
72123100665500
oct342106720451
986307226601
1030351794473
1111965884470
125a70907a61
132b29229000
14167d061837
15bc996944d
hex7111ba129

30351794473 has 144 divisors (see below), whose sum is σ = 44657101440. Its totient is φ = 20391134400.

The previous prime is 30351794471. The next prime is 30351794483. The reversal of 30351794473 is 37449715303.

It is not a de Polignac number, because 30351794473 - 21 = 30351794471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30351794471) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 427490028 + ... + 427490098.

It is an arithmetic number, because the mean of its divisors is an integer number (310118760).

Almost surely, 230351794473 is an apocalyptic number.

It is an amenable number.

30351794473 is a deficient number, since it is larger than the sum of its proper divisors (14305306967).

30351794473 is a wasteful number, since it uses less digits than its factorization.

30351794473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 30351794473 in words is "thirty billion, three hundred fifty-one million, seven hundred ninety-four thousand, four hundred seventy-three".

Divisors: 1 7 11 13 19 49 71 77 91 133 143 169 209 247 361 497 539 637 781 923 931 1001 1183 1349 1463 1729 1859 2197 2527 2717 3211 3479 3971 4693 5467 6461 7007 8281 9443 10153 10241 11999 12103 13013 14839 15379 17537 17689 19019 22477 24167 25631 27797 32851 35321 38269 41743 45227 51623 61009 66101 71071 83993 91091 103873 107653 122759 131989 133133 155987 157339 169169 179417 192907 194579 227981 229957 247247 281941 292201 333203 361361 427063 459173 497497 587951 671099 727111 793117 859313 923923 1091909 1184183 1255919 1350349 1595867 1715857 1730729 1973587 2045407 2332421 2507791 2529527 2963753 2989441 3214211 3665233 4331639 4697693 5551819 6467461 7643363 8724287 9452443 11171069 12010999 13815109 16326947 17554537 20746271 22499477 25656631 30321473 32601283 32883851 38862733 47648029 56311307 61070009 84076993 122881759 145223897 179596417 212250311 228208981 333536203 394179149 427490063 619424377 1597462867 2334753421 2759254043 4335970639 30351794473