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102013144142 = 27132831980607
BaseRepresentation
bin101111100000001110…
…1010000110001001110
3100202022110201122211212
41133000131100301032
53132410331103032
6114510355414422
710240660263260
oct1370035206116
9322273648755
10102013144142
113a299840098
121792bbb4412
1398099097b0
144d1a57bb30
1529c0d46bb2
hex17c0750c4e

102013144142 has 32 divisors (see below), whose sum is σ = 188997537792. Its totient is φ = 40214224224.

The previous prime is 102013144109. The next prime is 102013144153. The reversal of 102013144142 is 241441310201.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 938798 + ... + 1041809.

It is an arithmetic number, because the mean of its divisors is an integer number (5906173056).

Almost surely, 2102013144142 is an apocalyptic number.

102013144142 is a deficient number, since it is larger than the sum of its proper divisors (86984393650).

102013144142 is a wasteful number, since it uses less digits than its factorization.

102013144142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980912.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 102013144142 its reverse (241441310201), we get a palindrome (343454454343).

The spelling of 102013144142 in words is "one hundred two billion, thirteen million, one hundred forty-four thousand, one hundred forty-two".

Divisors: 1 2 7 13 14 26 91 182 283 566 1981 3679 3962 7358 25753 51506 1980607 3961214 13864249 25747891 27728498 51495782 180235237 360470474 560511781 1121023562 3923582467 7286653153 7847164934 14573306306 51006572071 102013144142