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2103157075 = 5284126283
BaseRepresentation
bin111110101011011…
…1010000101010011
312102120110110010111
41331112322011103
513301402011300
6544405542151
7103055353165
oct17526720523
95376413114
102103157075
1198a1a5048
124a8414957
13276954b56
1415d46c935
15c498c9ba
hex7d5ba153

2103157075 has 6 divisors (see below), whose sum is σ = 2607914804. Its totient is φ = 1682525640.

The previous prime is 2103157051. The next prime is 2103157097. The reversal of 2103157075 is 5707513012.

It is not a de Polignac number, because 2103157075 - 27 = 2103156947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42063117 + ... + 42063166.

Almost surely, 22103157075 is an apocalyptic number.

2103157075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2103157075 is a deficient number, since it is larger than the sum of its proper divisors (504757729).

2103157075 is an equidigital number, since it uses as much as digits as its factorization.

2103157075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84126293 (or 84126288 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 2103157075 is about 45860.1905251167. The cubic root of 2103157075 is about 1281.2205713645.

The spelling of 2103157075 in words is "two billion, one hundred three million, one hundred fifty-seven thousand, seventy-five".

Divisors: 1 5 25 84126283 420631415 2103157075