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2030451320 = 23550761283
BaseRepresentation
bin111100100000110…
…0011101001111000
312020111122121120202
41321001203221320
513124243420240
6533251341332
7101213360102
oct17101435170
95214577522
102030451320
11952156147
12487bb1848
132648798b1
14153944572
15bd3ca315
hex79063a78

2030451320 has 16 divisors (see below), whose sum is σ = 4568515560. Its totient is φ = 812180512.

The previous prime is 2030451301. The next prime is 2030451341. The reversal of 2030451320 is 231540302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2030451292 and 2030451301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25380602 + ... + 25380681.

Almost surely, 22030451320 is an apocalyptic number.

2030451320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030451320 is an abundant number, since it is smaller than the sum of its proper divisors (2538064240).

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

2030451320 is a wasteful number, since it uses less digits than its factorization.

2030451320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50761294 (or 50761290 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2030451320 is about 45060.5295130894. The cubic root of 2030451320 is about 1266.2832452916.

Adding to 2030451320 its reverse (231540302), we get a palindrome (2261991622).

The spelling of 2030451320 in words is "two billion, thirty million, four hundred fifty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 50761283 101522566 203045132 253806415 406090264 507612830 1015225660 2030451320