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2101303140 = 223535021719
BaseRepresentation
bin111110100111111…
…0101011101100100
312102102222021000020
41331033311131210
513300413200030
6544302115140
7103033532136
oct17517653544
95372867006
102101303140
11989149172
124a787bab0
13276456051
1415d109056
15c4723510
hex7d3f5764

2101303140 has 24 divisors (see below), whose sum is σ = 5883648960. Its totient is φ = 560347488.

The previous prime is 2101303121. The next prime is 2101303181. The reversal of 2101303140 is 413031012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17510800 + ... + 17510919.

It is an arithmetic number, because the mean of its divisors is an integer number (245152040).

Almost surely, 22101303140 is an apocalyptic number.

2101303140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101303140 is an abundant number, since it is smaller than the sum of its proper divisors (3782345820).

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

2101303140 is a wasteful number, since it uses less digits than its factorization.

2101303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35021731 (or 35021729 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2101303140 is about 45839.9731675314. The cubic root of 2101303140 is about 1280.8439949669.

Adding to 2101303140 its reverse (413031012), we get a palindrome (2514334152).

The spelling of 2101303140 in words is "two billion, one hundred one million, three hundred three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 35021719 70043438 105065157 140086876 175108595 210130314 350217190 420260628 525325785 700434380 1050651570 2101303140