Search a number
-
+
2131322021032 = 23943492823721
BaseRepresentation
bin11111000000111100101…
…100010010010010101000
321112202022111101201111211
4133000330230102102220
5234404421414133112
64311041003402504
7306661101160111
oct37007454222250
97482274351454
102131322021032
11751985798986
122a5093523434
13125ca12b4169
147522976d208
153a691e310a7
hex1f03cb124a8

2131322021032 has 16 divisors (see below), whose sum is σ = 3996272560500. Its totient is φ = 1065649338240.

The previous prime is 2131322020991. The next prime is 2131322021041. The reversal of 2131322021032 is 2301202231312.

It can be written as a sum of positive squares in 2 ways, for example, as 1457993460676 + 673328560356 = 1207474^2 + 820566^2 .

It is a super-4 number, since 4×21313220210324 (a number of 50 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131322020994 and 2131322021012.

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, 657069 + ... + 2166652.

Almost surely, 22131322021032 is an apocalyptic number.

It is an amenable number.

2131322021032 is a deficient number, since it is larger than the sum of its proper divisors (1864950539468).

2131322021032 is a wasteful number, since it uses less digits than its factorization.

2131322021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918076 (or 2918072 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2131322021032 its reverse (2301202231312), we get a palindrome (4432524252344).

The spelling of 2131322021032 in words is "two trillion, one hundred thirty-one billion, three hundred twenty-two million, twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 94349 188698 377396 754792 2823721 5647442 11294884 22589768 266415252629 532830505258 1065661010516 2131322021032