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102913103 = 891156327
BaseRepresentation
bin1100010001001…
…01010001001111
321011122112020102
412020211101033
5202321204403
614113441315
72356514126
oct610452117
9234575212
10102913103
1153101157
122a57023b
1318423737
14d94cabd
15907cb88
hex622544f

102913103 has 4 divisors (see below), whose sum is σ = 104069520. Its totient is φ = 101756688.

The previous prime is 102913093. The next prime is 102913133. The reversal of 102913103 is 301319201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301319201 = 893385609.

It is a cyclic number.

It is not a de Polignac number, because 102913103 - 218 = 102650959 is a prime.

It is a super-2 number, since 2×1029131032 = 21182213538177218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102913133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578075 + ... + 578252.

It is an arithmetic number, because the mean of its divisors is an integer number (26017380).

Almost surely, 2102913103 is an apocalyptic number.

102913103 is a deficient number, since it is larger than the sum of its proper divisors (1156417).

102913103 is an equidigital number, since it uses as much as digits as its factorization.

102913103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156416.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 102913103 is about 10144.6095538468. The cubic root of 102913103 is about 468.6229544173.

The spelling of 102913103 in words is "one hundred two million, nine hundred thirteen thousand, one hundred three".

Divisors: 1 89 1156327 102913103