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15000220434 = 23191012295689
BaseRepresentation
bin11011111100001010…
…10011001100010010
31102201101120011001210
431332011103030102
5221210024023214
610520242440550
71040501525043
oct157605231422
942641504053
1015000220434
1163a82626a1
122aa7663156
1315508c54a4
14a242808ca
155cbd59b59
hex37e153312

15000220434 has 64 divisors (see below), whose sum is σ = 32036976000. Its totient is φ = 4668710400.

The previous prime is 15000220427. The next prime is 15000220441. The reversal of 15000220434 is 43402200051.

15000220434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15000220427) and next prime (15000220441).

It is a super-2 number, since 2×150002204342 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15000220434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2633862 + ... + 2639550.

It is an arithmetic number, because the mean of its divisors is an integer number (500577750).

Almost surely, 215000220434 is an apocalyptic number.

15000220434 is an abundant number, since it is smaller than the sum of its proper divisors (17036755566).

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

15000220434 is a wasteful number, since it uses less digits than its factorization.

15000220434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 15000220434 its reverse (43402200051), we get a palindrome (58402420485).

The spelling of 15000220434 in words is "fifteen billion, two hundred twenty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 101 114 202 229 303 458 606 687 1374 1919 3838 4351 5689 5757 8702 11378 11514 13053 17067 23129 26106 34134 46258 69387 108091 138774 216182 324273 439451 574589 648546 878902 1149178 1302781 1318353 1723767 2605562 2636706 3447534 3908343 7816686 10917191 21834382 24752839 32751573 49505678 65503146 74258517 131580881 148517034 263161762 394742643 789485286 2500036739 5000073478 7500110217 15000220434