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52403213425040 = 2451494396242737
BaseRepresentation
bin10111110101001000100101…
…11010111101100110010000
320212112200212001012101112222
423322210102322331212100
523332033240114100130
6303241412013240212
714016002323453262
oct1372442272754620
9225480761171488
1052403213425040
1115774094914045
125a64116193068
1323317a92849ca
14cd2486d3bb32
1560d1db6d6ce5
hex2fa912ebd990

52403213425040 has 40 divisors (see below), whose sum is σ = 122655172390200. Its totient is φ = 20820605597696.

The previous prime is 52403213425039. The next prime is 52403213425067. The reversal of 52403213425040 is 4052431230425.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2895497011456 + 49507716413584 = 1701616^2 + 7036172^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198109449 + ... + 2198133288.

It is an arithmetic number, because the mean of its divisors is an integer number (3066379309755).

Almost surely, 252403213425040 is an apocalyptic number.

It is an amenable number.

52403213425040 is an abundant number, since it is smaller than the sum of its proper divisors (70251958965160).

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

52403213425040 is a wasteful number, since it uses less digits than its factorization.

52403213425040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396242899 (or 4396242893 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 52403213425040 its reverse (4052431230425), we get a palindrome (56455644655465).

The spelling of 52403213425040 in words is "fifty-two trillion, four hundred three billion, two hundred thirteen million, four hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 149 298 596 745 1192 1490 2384 2980 5960 11920 4396242737 8792485474 17584970948 21981213685 35169941896 43962427370 70339883792 87924854740 175849709480 351699418960 655040167813 1310080335626 2620160671252 3275200839065 5240321342504 6550401678130 10480642685008 13100803356260 26201606712520 52403213425040