Search a number
-
+
2121303303132 = 2231318617306877
BaseRepresentation
bin11110110111100111100…
…001111010001111011100
321111210110021102010020220
4132313213201322033130
5234223412121200012
64302302511441340
7306154605366036
oct36674741721734
97453407363226
102121303303132
11748704459932
122a3158226250
13125065772010
1474958d36c56
153a2a75c708c
hex1ede787a3dc

2121303303132 has 48 divisors (see below), whose sum is σ = 5333319479712. Its totient is φ = 652357889280.

The previous prime is 2121303303083. The next prime is 2121303303157. The reversal of 2121303303132 is 2313033031212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3363123 + ... + 3943754.

It is an arithmetic number, because the mean of its divisors is an integer number (111110822494).

Almost surely, 22121303303132 is an apocalyptic number.

It is an amenable number.

2121303303132 is an abundant number, since it is smaller than the sum of its proper divisors (3212016176580).

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

2121303303132 is a wasteful number, since it uses less digits than its factorization.

2121303303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308758 (or 7308756 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 2121303303132 its reverse (2313033031212), we get a palindrome (4434336334344).

The spelling of 2121303303132 in words is "two trillion, one hundred twenty-one billion, three hundred three million, three hundred three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1861 3722 5583 7444 11166 22332 24193 48386 72579 96772 145158 290316 7306877 14613754 21920631 29227508 43841262 87682524 94989401 189978802 284968203 379957604 569936406 1139872812 13598098097 27196196194 40794294291 54392392388 81588588582 163177177164 176775275261 353550550522 530325825783 707101101044 1060651651566 2121303303132