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311513050082 = 21311981271157
BaseRepresentation
bin1001000100001111001…
…11111110101111100010
31002210001212202120101102
410202013213332233202
520100434320100312
6355035045434402
731335404144123
oct4420747765742
91083055676342
10311513050082
11110125aa5223
125045910ba02
13234b612a290
141111220404a
1581832e2ec2
hex48879febe2

311513050082 has 8 divisors (see below), whose sum is σ = 503213388636. Its totient is φ = 143775253872.

The previous prime is 311513050067. The next prime is 311513050087. The reversal of 311513050082 is 280050315113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 294381119761 + 17131930321 = 542569^2 + 130889^2 .

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

It is not an unprimeable number, because it can be changed into a prime (311513050087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5990635553 + ... + 5990635604.

Almost surely, 2311513050082 is an apocalyptic number.

311513050082 is a deficient number, since it is larger than the sum of its proper divisors (191700338554).

311513050082 is a wasteful number, since it uses less digits than its factorization.

311513050082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11981271172.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 311513050082 its reverse (280050315113), we get a palindrome (591563365195).

The spelling of 311513050082 in words is "three hundred eleven billion, five hundred thirteen million, fifty thousand, eighty-two".

Divisors: 1 2 13 26 11981271157 23962542314 155756525041 311513050082