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2103031300 = 225221030313
BaseRepresentation
bin111110101011001…
…1011011000000100
312102120020001121011
41331112123120010
513301334000200
6544403132004
7103054320406
oct17526333004
95376201534
102103031300
1198a1195a7
124a8374004
1327690c826
1415d438b76
15c49655ba
hex7d59b604

2103031300 has 18 divisors (see below), whose sum is σ = 4563578138. Its totient is φ = 841212480.

The previous prime is 2103031297. The next prime is 2103031363. The reversal of 2103031300 is 31303012.

It can be written as a sum of positive squares in 3 ways, for example, as 55830784 + 2047200516 = 7472^2 + 45246^2 .

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, 10515057 + ... + 10515256.

Almost surely, 22103031300 is an apocalyptic number.

2103031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103031300 is an abundant number, since it is smaller than the sum of its proper divisors (2460546838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103031300 is a wasteful number, since it uses less digits than its factorization.

2103031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21030327 (or 21030320 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 2103031300 is about 45858.8192172454. The cubic root of 2103031300 is about 1281.1950305983.

Adding to 2103031300 its reverse (31303012), we get a palindrome (2134334312).

The spelling of 2103031300 in words is "two billion, one hundred three million, thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21030313 42060626 84121252 105151565 210303130 420606260 525757825 1051515650 2103031300