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313020304000 = 2753106918301
BaseRepresentation
bin1001000111000010111…
…01101100101010000000
31002220221220221000001121
410203201131230222000
520112031144212000
6355444411242024
731420635453325
oct4434135545200
91086856830047
10313020304000
1111082988a418
12507b9a49314
132369648c1c1
1411216474b4c
1582207c1b1a
hex48e176ca80

313020304000 has 128 divisors (see below), whose sum is σ = 779017309200. Its totient is φ = 125084160000.

The previous prime is 313020303983. The next prime is 313020304013. The reversal of 313020304000 is 403020313.

It can be written as a sum of positive squares in 8 ways, for example, as 9119486016 + 303900817984 = 95496^2 + 551272^2 .

It is a tau number, because it is divible by the number of its divisors (128).

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

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, 17094850 + ... + 17113150.

Almost surely, 2313020304000 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 313020304000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389508654600).

313020304000 is an abundant number, since it is smaller than the sum of its proper divisors (465997005200).

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

313020304000 is a wasteful number, since it uses less digits than its factorization.

313020304000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19399 (or 19377 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 313020304000 its reverse (403020313), we get a palindrome (313423324313).

The spelling of 313020304000 in words is "three hundred thirteen billion, twenty million, three hundred four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 640 800 1000 1069 1600 2000 2138 3200 4000 4276 5345 8000 8552 10690 16000 17104 18301 21380 26725 34208 36602 42760 53450 68416 73204 85520 91505 106900 133625 136832 146408 171040 183010 213800 267250 292816 342080 366020 427600 457525 534500 585632 684160 732040 855200 915050 1069000 1171264 1464080 1710400 1830100 2138000 2287625 2342528 2928160 3420800 3660200 4276000 4575250 5856320 7320400 8552000 9150500 11712640 14640800 17104000 18301000 19563769 29281600 36602000 39127538 58563200 73204000 78255076 97818845 146408000 156510152 195637690 292816000 313020304 391275380 489094225 626040608 782550760 978188450 1252081216 1565101520 1956376900 2445471125 2504162432 3130203040 3912753800 4890942250 6260406080 7825507600 9781884500 12520812160 15651015200 19563769000 31302030400 39127538000 62604060800 78255076000 156510152000 313020304000