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2121010330 = 25271978007
BaseRepresentation
bin111111001101100…
…0000110010011010
312110211001111012011
41332123000302122
513320434312310
6550244340134
7103363201405
oct17633006232
95424044164
102121010330
119992894aa
124b23a464a
1327a5660ca
14161998d3c
15c631778a
hex7e6c0c9a

2121010330 has 16 divisors (see below), whose sum is σ = 3819271680. Its totient is φ = 848081232.

The previous prime is 2121010327. The next prime is 2121010361. The reversal of 2121010330 is 330101212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121010330.

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, 11814 + ... + 66193.

It is an arithmetic number, because the mean of its divisors is an integer number (238704480).

Almost surely, 22121010330 is an apocalyptic number.

2121010330 is a deficient number, since it is larger than the sum of its proper divisors (1698261350).

2121010330 is a wasteful number, since it uses less digits than its factorization.

2121010330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80733.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2121010330 is about 46054.4279087256. The cubic root of 2121010330 is about 1284.8356979289.

Adding to 2121010330 its reverse (330101212), we get a palindrome (2451111542).

The spelling of 2121010330 in words is "two billion, one hundred twenty-one million, ten thousand, three hundred thirty".

Divisors: 1 2 5 10 2719 5438 13595 27190 78007 156014 390035 780070 212101033 424202066 1060505165 2121010330