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102144103202 = 251072051601
BaseRepresentation
bin101111100100001000…
…0110101001100100010
3100202122121011001220102
41133020100311030202
53133142342300302
6114531354342402
710244140360151
oct1371020651442
9322577131812
10102144103202
113a356757619
1217967a2aa02
13982aa9c96b
144d2db0b598
1529cc5b4702
hex17c8435322

102144103202 has 4 divisors (see below), whose sum is σ = 153216154806. Its totient is φ = 51072051600.

The previous prime is 102144103183. The next prime is 102144103207. The reversal of 102144103202 is 202301441201.

102144103202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202301441201 = 474304285983.

It can be written as a sum of positive squares in only one way, i.e., 93103706641 + 9040396561 = 305129^2 + 95081^2 .

It is not an unprimeable number, because it can be changed into a prime (102144103207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25536025799 + ... + 25536025802.

Almost surely, 2102144103202 is an apocalyptic number.

102144103202 is a deficient number, since it is larger than the sum of its proper divisors (51072051604).

102144103202 is an equidigital number, since it uses as much as digits as its factorization.

102144103202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51072051603.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102144103202 its reverse (202301441201), we get a palindrome (304445544403).

The spelling of 102144103202 in words is "one hundred two billion, one hundred forty-four million, one hundred three thousand, two hundred two".

Divisors: 1 2 51072051601 102144103202