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2030421650 = 252139292147
BaseRepresentation
bin111100100000101…
…1100011010010010
312020111121002212212
41321001130122102
513124241443100
6533250552122
7101213204435
oct17101343222
95214532785
102030421650
11952135924
12487b98642
1326486923a
1415393781c
15bd3c1635
hex7905c692

2030421650 has 24 divisors (see below), whose sum is σ = 3803766960. Its totient is φ = 806322960.

The previous prime is 2030421649. The next prime is 2030421671. The reversal of 2030421650 is 561240302.

It is a super-2 number, since 2×20304216502 = 8245224153577445000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139124 + ... + 153023.

It is an arithmetic number, because the mean of its divisors is an integer number (158490290).

Almost surely, 22030421650 is an apocalyptic number.

2030421650 is a deficient number, since it is larger than the sum of its proper divisors (1773345310).

2030421650 is a wasteful number, since it uses less digits than its factorization.

2030421650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292298 (or 292293 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2030421650 is about 45060.2002880591. The cubic root of 2030421650 is about 1266.2770774007.

Adding to 2030421650 its reverse (561240302), we get a palindrome (2591661952).

The spelling of 2030421650 in words is "two billion, thirty million, four hundred twenty-one thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 139 278 695 1390 3475 6950 292147 584294 1460735 2921470 7303675 14607350 40608433 81216866 203042165 406084330 1015210825 2030421650