Search a number
-
+
313302130000 = 245473429181
BaseRepresentation
bin1001000111100100100…
…00110001110101010000
31002221200120020020122121
410203302100301311100
520113120321130000
6355532355544024
731430630110426
oct4436220616520
91087616206577
10313302130000
11110963980472
12508782bb014
132370c995a52
1411241a77116
15823a3e0b1a
hex48f2431d50

313302130000 has 100 divisors (see below), whose sum is σ = 768928479748. Its totient is φ = 123603840000.

The previous prime is 313302129971. The next prime is 313302130019. The reversal of 313302130000 is 31203313.

It can be written as a sum of positive squares in 10 ways, for example, as 191378251024 + 121923878976 = 437468^2 + 349176^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 515410 + ... + 944590.

Almost surely, 2313302130000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313302130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384464239874).

313302130000 is an abundant number, since it is smaller than the sum of its proper divisors (455626349748).

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

313302130000 is an equidigital number, since it uses as much as digits as its factorization.

313302130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429282 (or 429261 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 313302130000 its reverse (31203313), we get a palindrome (313333333313).

The spelling of 313302130000 in words is "three hundred thirteen billion, three hundred two million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 73 80 100 125 146 200 250 292 365 400 500 584 625 730 1000 1168 1250 1460 1825 2000 2500 2920 3650 5000 5840 7300 9125 10000 14600 18250 29200 36500 45625 73000 91250 146000 182500 365000 429181 730000 858362 1716724 2145905 3433448 4291810 6866896 8583620 10729525 17167240 21459050 31330213 34334480 42918100 53647625 62660426 85836200 107295250 125320852 156651065 171672400 214590500 250641704 268238125 313302130 429181000 501283408 536476250 626604260 783255325 858362000 1072952500 1253208520 1566510650 2145905000 2506417040 3133021300 3916276625 4291810000 6266042600 7832553250 12532085200 15665106500 19581383125 31330213000 39162766250 62660426000 78325532500 156651065000 313302130000