Search a number
-
+
20034352431444 = 223131083771184987
BaseRepresentation
bin1001000111000100111000…
…11101011100000101010100
32121221021011110121211112110
410203202130131130011110
510111220323210301234
6110335353205551020
74135301633616141
oct443423435340524
977837143554473
1020034352431444
11642458072024a
1222b6960115470
13b243012c5350
144d394c75b3c8
1524b215b4e1e9
hex12389c75c154

20034352431444 has 48 divisors (see below), whose sum is σ = 50343238749888. Its totient is φ = 6164354051328.

The previous prime is 20034352431419. The next prime is 20034352431479. The reversal of 20034352431444 is 44413425343002.

It is a super-2 number, since 2×200343524314442 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 16314319 + ... + 17499305.

It is an arithmetic number, because the mean of its divisors is an integer number (1048817473956).

Almost surely, 220034352431444 is an apocalyptic number.

It is an amenable number.

20034352431444 is an abundant number, since it is smaller than the sum of its proper divisors (30308886318444).

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

20034352431444 is a wasteful number, since it uses less digits than its factorization.

20034352431444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293384 (or 1293382 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 20034352431444 its reverse (44413425343002), we get a palindrome (64447777774446).

The spelling of 20034352431444 in words is "twenty trillion, thirty-four billion, three hundred fifty-two million, four hundred thirty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 108377 216754 325131 433508 650262 1184987 1300524 1408901 2369974 2817802 3554961 4226703 4739948 5635604 7109922 8453406 14219844 15404831 16906812 30809662 46214493 61619324 92428986 184857972 128425336099 256850672198 385276008297 513701344396 770552016594 1541104033188 1669529369287 3339058738574 5008588107861 6678117477148 10017176215722 20034352431444