Search a number
-
+
513423401345430 = 23517957953060833
BaseRepresentation
bin111010010111101001011001…
…1011101001110000110010110
32111022212210112121102001201020
41310233102303131032012112
51014243412111221023210
65015543242054342010
7213100421336664222
oct16457226335160626
92438783477361636
10513423401345430
11139657707159064
1249700a8a35a906
1319063807c3c3a4
1490adb7a567782
153e554c311a770
hex1d2f4b374e196

513423401345430 has 32 divisors (see below), whose sum is σ = 1232284784901984. Its totient is φ = 136905282395136.

The previous prime is 513423401345429. The next prime is 513423401345471. The reversal of 513423401345430 is 34543104324315.

It is a super-2 number, since 2×5134234013454302 (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

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, 475991707 + ... + 477069126.

It is an arithmetic number, because the mean of its divisors is an integer number (38508899528187).

Almost surely, 2513423401345430 is an apocalyptic number.

513423401345430 is an abundant number, since it is smaller than the sum of its proper divisors (718861383556554).

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

513423401345430 is a wasteful number, since it uses less digits than its factorization.

513423401345430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953078800.

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 513423401345430 its reverse (34543104324315), we get a palindrome (547966505669745).

The spelling of 513423401345430 in words is "five hundred thirteen trillion, four hundred twenty-three billion, four hundred one million, three hundred forty-five thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 17957 35914 53871 89785 107742 179570 269355 538710 953060833 1906121666 2859182499 4765304165 5718364998 9530608330 14295912495 28591824990 17114113378181 34228226756362 51342340134543 85570566890905 102684680269086 171141133781810 256711700672715 513423401345430