Search a number
-
+
331032301320 = 23357394086073
BaseRepresentation
bin1001101000100110001…
…00000000111100001000
31011122110012200021022110
410310103010000330020
520410423232120240
6412024003022320
732626201064130
oct4642304007410
91148405607273
10331032301320
11118432116616
12541a606a9a0
13252a7030496
1412044705ac0
158926c49c80
hex4d13100f08

331032301320 has 64 divisors (see below), whose sum is σ = 1134967893120. Its totient is φ = 75664525824.

The previous prime is 331032301267. The next prime is 331032301331. The reversal of 331032301320 is 23103230133.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197042197 + ... + 197043876.

It is an arithmetic number, because the mean of its divisors is an integer number (17733873330).

Almost surely, 2331032301320 is an apocalyptic number.

331032301320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331032301320 is an abundant number, since it is smaller than the sum of its proper divisors (803935591800).

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

331032301320 is a wasteful number, since it uses less digits than its factorization.

331032301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394086094 (or 394086090 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 331032301320 its reverse (23103230133), we get a palindrome (354135531453).

The spelling of 331032301320 in words is "three hundred thirty-one billion, thirty-two million, three hundred one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 394086073 788172146 1182258219 1576344292 1970430365 2364516438 2758602511 3152688584 3940860730 4729032876 5517205022 5911291095 7881721460 8275807533 9458065752 11034410044 11822582190 13793012555 15763442920 16551615066 22068820088 23645164380 27586025110 33103230132 41379037665 47290328760 55172050220 66206460264 82758075330 110344100440 165516150660 331032301320