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2121330032 = 24172376949
BaseRepresentation
bin111111001110000…
…1110110101110000
312110211122201201222
41332130032311300
513321030030112
6550255244212
7103366002443
oct17634166560
95424581658
102121330032
11999487718
124b2519668
1327a648793
14161a3d65a
15c637c372
hex7e70ed70

2121330032 has 20 divisors (see below), whose sum is σ = 4112515800. Its totient is φ = 1060035648.

The previous prime is 2121330017. The next prime is 2121330049. The reversal of 2121330032 is 2300331212.

It is a super-2 number, since 2×21213300322 = 9000082209330242048, which contains 22 as substring.

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, 10907 + ... + 66042.

It is an arithmetic number, because the mean of its divisors is an integer number (205625790).

Almost surely, 22121330032 is an apocalyptic number.

It is an amenable number.

2121330032 is a deficient number, since it is larger than the sum of its proper divisors (1991185768).

2121330032 is a wasteful number, since it uses less digits than its factorization.

2121330032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78680 (or 78674 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2121330032 is about 46057.8986928409. The cubic root of 2121330032 is about 1284.9002495406.

Adding to 2121330032 its reverse (2300331212), we get a palindrome (4421661244).

The spelling of 2121330032 in words is "two billion, one hundred twenty-one million, three hundred thirty thousand, thirty-two".

Divisors: 1 2 4 8 16 1723 3446 6892 13784 27568 76949 153898 307796 615592 1231184 132583127 265166254 530332508 1060665016 2121330032