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102020103244 = 2225505025811
BaseRepresentation
bin101111100000011011…
…1110011110001001100
3100202022221211012221101
41133000313303301030
53132414121300434
6114511204512444
710241103366223
oct1370067636114
9322287735841
10102020103244
113a2a2763614
12179323ab724
13980b1a51c7
144d1b46dcba
1529c176db14
hex17c0df3c4c

102020103244 has 6 divisors (see below), whose sum is σ = 178535180684. Its totient is φ = 51010051620.

The previous prime is 102020103233. The next prime is 102020103247. The reversal of 102020103244 is 442301020201.

It is not an unprimeable number, because it can be changed into a prime (102020103247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752512902 + ... + 12752512909.

Almost surely, 2102020103244 is an apocalyptic number.

It is an amenable number.

102020103244 is a deficient number, since it is larger than the sum of its proper divisors (76515077440).

102020103244 is a wasteful number, since it uses less digits than its factorization.

102020103244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25505025815 (or 25505025813 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 102020103244 its reverse (442301020201), we get a palindrome (544321123445).

The spelling of 102020103244 in words is "one hundred two billion, twenty million, one hundred three thousand, two hundred forty-four".

Divisors: 1 2 4 25505025811 51010051622 102020103244