Search a number
-
+
2120323310131 = 13627126008897
BaseRepresentation
bin11110110110101101000…
…111100010001000110011
321111200220222101022120211
4132312231013202020303
5234214410231411011
64302021343044551
7306121405523425
oct36665507421063
97450828338524
102120323310131
11748251260664
122a2b23ba0757
13124c3a71b4c0
14748a4b16815
153a24b548b21
hex1edad1e2233

2120323310131 has 8 divisors (see below), whose sum is σ = 2283789315584. Its totient is φ = 1956909335040.

The previous prime is 2120323310107. The next prime is 2120323310137. The reversal of 2120323310131 is 1310133230212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120323310131 - 29 = 2120323309619 is a prime.

It is a super-2 number, since 2×21203233101312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120323310137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12922926 + ... + 13085971.

It is an arithmetic number, because the mean of its divisors is an integer number (285473664448).

Almost surely, 22120323310131 is an apocalyptic number.

2120323310131 is a deficient number, since it is larger than the sum of its proper divisors (163466005453).

2120323310131 is a wasteful number, since it uses less digits than its factorization.

2120323310131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26015181.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2120323310131 its reverse (1310133230212), we get a palindrome (3430456540343).

The spelling of 2120323310131 in words is "two trillion, one hundred twenty billion, three hundred twenty-three million, three hundred ten thousand, one hundred thirty-one".

Divisors: 1 13 6271 81523 26008897 338115661 163101793087 2120323310131