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102143984602 = 211214922312703
BaseRepresentation
bin101111100100001000…
…0011000001111011010
3100202122120221001012211
41133020100120033122
53133142330001402
6114531352025334
710244136354322
oct1371020301732
9322576831184
10102143984602
113a356686500
121796799224a
13982aa5a99a
144d2daba282
1529cc58e4d7
hex17c84183da

102143984602 has 48 divisors (see below), whose sum is σ = 170314905600. Its totient is φ = 45907060320.

The previous prime is 102143984599. The next prime is 102143984609. The reversal of 102143984602 is 206489341201.

It is a super-2 number, since 2×1021439846022 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (102143984609) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8034583 + ... + 8047285.

It is an arithmetic number, because the mean of its divisors is an integer number (3548227200).

Almost surely, 2102143984602 is an apocalyptic number.

102143984602 is a deficient number, since it is larger than the sum of its proper divisors (68170920998).

102143984602 is a wasteful number, since it uses less digits than its factorization.

102143984602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13099 (or 13088 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 102143984602 in words is "one hundred two billion, one hundred forty-three million, nine hundred eighty-four thousand, six hundred two".

Divisors: 1 2 11 22 121 149 223 242 298 446 1639 2453 3278 4906 12703 18029 25406 26983 33227 36058 53966 66454 139733 279466 365497 730994 1537063 1892747 2832769 3074126 3785494 4020467 5665538 8040934 20820217 31160459 41640434 62320918 229022387 342765049 422082581 458044774 685530098 844165162 4642908391 9285816782 51071992301 102143984602