Search a number
-
+
51330444105432 = 23341392913276937
BaseRepresentation
bin10111010101111010011001…
…11000110001011011011000
320201202010211220110111212110
423222331030320301123120
523211444222142333212
6301100514103512320
713545334153630422
oct1352751470613330
9221663756414773
1051330444105432
11153a0134574298
125910225a586a0
132284594bc718b
14c9659a1a3812
155e0351685a3c
hex2eaf4ce316d8

51330444105432 has 64 divisors (see below), whose sum is σ = 131489483176800. Its totient is φ = 16688577474560.

The previous prime is 51330444105407. The next prime is 51330444105461. The reversal of 51330444105432 is 23450144403315.

It is a congruent number.

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, 2772333 + ... + 10504604.

Almost surely, 251330444105432 is an apocalyptic number.

It is an amenable number.

51330444105432 is an abundant number, since it is smaller than the sum of its proper divisors (80159039071368).

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

51330444105432 is a wasteful number, since it uses less digits than its factorization.

51330444105432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280916 (or 13280912 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 51330444105432 its reverse (23450144403315), we get a palindrome (74780588508747).

The spelling of 51330444105432 in words is "fifty-one trillion, three hundred thirty billion, four hundred forty-four million, one hundred five thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 246 328 492 984 3929 7858 11787 15716 23574 31432 47148 94296 161089 322178 483267 644356 966534 1288712 1933068 3866136 13276937 26553874 39830811 53107748 79661622 106215496 159323244 318646488 544354417 1088708834 1633063251 2177417668 3266126502 4354835336 6532253004 13064506008 52165085473 104330170946 156495256419 208660341892 312990512838 417320683784 625981025676 1251962051352 2138768504393 4277537008786 6416305513179 8555074017572 12832611026358 17110148035144 25665222052716 51330444105432