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2103355345 = 571317271927
BaseRepresentation
bin111110101011110…
…1010011111010001
312102120211112002211
41331113222133101
513301424332340
6544414112121
7103060140220
oct17527523721
95376745084
102103355345
1198a320003
124a84ab641
132769c4180
1415d4c0cb7
15c49cb5ea
hex7d5ea7d1

2103355345 has 32 divisors (see below), whose sum is σ = 3289241088. Its totient is φ = 1253035008.

The previous prime is 2103355339. The next prime is 2103355349. The reversal of 2103355345 is 5435533012.

It is a cyclic number.

It is not a de Polignac number, because 2103355345 - 23 = 2103355337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2103355349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128229 + ... + 143698.

It is an arithmetic number, because the mean of its divisors is an integer number (102788784).

Almost surely, 22103355345 is an apocalyptic number.

It is an amenable number.

2103355345 is a deficient number, since it is larger than the sum of its proper divisors (1185885743).

2103355345 is a wasteful number, since it uses less digits than its factorization.

2103355345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271969.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2103355345 is about 45862.3521529369. The cubic root of 2103355345 is about 1281.2608314135.

Adding to 2103355345 its reverse (5435533012), we get a palindrome (7538888357).

The spelling of 2103355345 in words is "two billion, one hundred three million, three hundred fifty-five thousand, three hundred forty-five".

Divisors: 1 5 7 13 17 35 65 85 91 119 221 455 595 1105 1547 7735 271927 1359635 1903489 3535051 4622759 9517445 17675255 23113795 24745357 32359313 60095867 123726785 161796565 300479335 420671069 2103355345