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312413343002020 = 225132281526782017
BaseRepresentation
bin100011100001000110110011…
…0010101010010110110100100
31111222011102110000210210102101
41013002031212111102312210
5311422040011302031040
63024240413005221444
7122543055610161121
oct10702154625226644
91458142400723371
10312413343002020
11905a9833586617
122b057970561884
13105425b48aa5b0
145720c5a70b748
15261b8c478009a
hex11c2366552da4

312413343002020 has 48 divisors (see below), whose sum is σ = 706844540264688. Its totient is φ = 115302047662080.

The previous prime is 312413343002017. The next prime is 312413343002021. The reversal of 312413343002020 is 20200343314213.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5145538750884 + 307267804251136 = 2268378^2 + 17529056^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312413343002020.

It is not an unprimeable number, because it can be changed into a prime (312413343002021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262797949 + ... + 263984068.

It is an arithmetic number, because the mean of its divisors is an integer number (14725927922181).

Almost surely, 2312413343002020 is an apocalyptic number.

It is an amenable number.

312413343002020 is an abundant number, since it is smaller than the sum of its proper divisors (394431197262668).

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

312413343002020 is a wasteful number, since it uses less digits than its factorization.

312413343002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526784320 (or 526784318 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 312413343002020 its reverse (20200343314213), we get a palindrome (332613686316233).

The spelling of 312413343002020 in words is "three hundred twelve trillion, four hundred thirteen billion, three hundred forty-three million, two thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 2281 4562 9124 11405 22810 29653 45620 59306 118612 148265 296530 593060 526782017 1053564034 2107128068 2633910085 5267820170 6848166221 10535640340 13696332442 27392664884 34240831105 68481662210 136963324420 1201589780777 2403179561554 4806359123108 6007948903885 12015897807770 15620667150101 24031795615540 31241334300202 62482668600404 78103335750505 156206671501010 312413343002020