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306230049372 = 2231317215144983
BaseRepresentation
bin1000111010011001011…
…10111011101001011100
31002021102200212022211110
410131030232323221130
520004124343034442
6352402524422020
731060444320522
oct4351456735134
91067380768743
10306230049372
11108964974635
124b4239a7910
1322b53773260
1410b70716312
157e745d969c
hex474cbbba5c

306230049372 has 144 divisors (see below), whose sum is σ = 822860283392. Its totient is φ = 88092748800.

The previous prime is 306230049347. The next prime is 306230049469. The reversal of 306230049372 is 273940032603.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 306230049372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6785193 + ... + 6830175.

Almost surely, 2306230049372 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 306230049372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411430141696).

306230049372 is an abundant number, since it is smaller than the sum of its proper divisors (516630234020).

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

306230049372 is a wasteful number, since it uses less digits than its factorization.

306230049372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45188 (or 45169 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 39.

The spelling of 306230049372 in words is "three hundred six billion, two hundred thirty million, forty-nine thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 151 156 204 221 289 302 442 453 578 604 663 867 884 906 1156 1326 1734 1812 1963 2567 2652 3468 3757 3926 5134 5889 7514 7701 7852 10268 11271 11778 15028 15402 22542 23556 30804 33371 43639 44983 45084 66742 87278 89966 100113 130917 133484 134949 174556 179932 200226 261834 269898 400452 523668 539796 567307 584779 764711 1134614 1169558 1529422 1701921 1754337 2269228 2294133 2339116 3058844 3403842 3508674 4588266 6792433 6807684 7017348 9176532 9941243 13000087 13584866 19882486 20377299 26000174 27169732 29823729 39000261 39764972 40754598 52000348 59647458 78000522 81509196 88301629 115471361 119294916 156001044 169001131 176603258 230942722 264904887 338002262 346414083 353206516 461885444 507003393 529809774 676004524 692828166 1014006786 1059619548 1385656332 1501127693 1963013137 2028013572 3002255386 3926026274 4503383079 5889039411 6004510772 7852052548 9006766158 11778078822 18013532316 23556157644 25519170781 51038341562 76557512343 102076683124 153115024686 306230049372