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102103302442 = 21573131038881
BaseRepresentation
bin101111100010111010…
…1001100000100101010
3100202112202101011210011
41133011311030010222
53133101421134232
6114523340042134
710243133515411
oct1370565140452
9322482334704
10102103302442
113a33571a389
121795623334a
1398224b57bb
144d2852a478
1529c8c05547
hex17c5d4c12a

102103302442 has 16 divisors (see below), whose sum is σ = 154623041352. Its totient is φ = 50564367360.

The previous prime is 102103302403. The next prime is 102103302443. The reversal of 102103302442 is 244203301201.

It can be written as a sum of positive squares in 4 ways, for example, as 19923040201 + 82180262241 = 141149^2 + 286671^2 .

It is not an unprimeable number, because it can be changed into a prime (102103302443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421159 + ... + 617722.

Almost surely, 2102103302442 is an apocalyptic number.

102103302442 is a deficient number, since it is larger than the sum of its proper divisors (52519738910).

102103302442 is a wasteful number, since it uses less digits than its factorization.

102103302442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039353.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 102103302442 its reverse (244203301201), we get a palindrome (346306603643).

The spelling of 102103302442 in words is "one hundred two billion, one hundred three million, three hundred two thousand, four hundred forty-two".

Divisors: 1 2 157 313 314 626 49141 98282 1038881 2077762 163104317 325169753 326208634 650339506 51051651221 102103302442