Search a number
-
+
53138315200 = 2652311071337
BaseRepresentation
bin110001011111010010…
…100101011111000000
312002011022010002202011
4301133102211133000
51332311402041300
640224510302304
73560550140515
oct613722453700
9162138102664
1053138315200
1120599214783
12a36bab7994
13501acc1779
14280145d30c
1515b015aeba
hexc5f4a57c0

53138315200 has 84 divisors (see below), whose sum is σ = 134971446592. Its totient is φ = 20569651200.

The previous prime is 53138315177. The next prime is 53138315273. The reversal of 53138315200 is 251383135.

53138315200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486069 + ... + 585268.

Almost surely, 253138315200 is an apocalyptic number.

53138315200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53138315200 is an abundant number, since it is smaller than the sum of its proper divisors (81833131392).

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

53138315200 is a wasteful number, since it uses less digits than its factorization.

53138315200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071390 (or 1071375 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 53138315200 its reverse (251383135), we get a palindrome (53389698335).

The spelling of 53138315200 in words is "fifty-three billion, one hundred thirty-eight million, three hundred fifteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 32 40 50 62 64 80 100 124 155 160 200 248 310 320 400 496 620 775 800 992 1240 1550 1600 1984 2480 3100 4960 6200 9920 12400 24800 49600 1071337 2142674 4285348 5356685 8570696 10713370 17141392 21426740 26783425 33211447 34282784 42853480 53566850 66422894 68565568 85706960 107133700 132845788 166057235 171413920 214267400 265691576 332114470 342827840 428534800 531383152 664228940 830286175 857069600 1062766304 1328457880 1660572350 1714139200 2125532608 2656915760 3321144700 5313831520 6642289400 10627663040 13284578800 26569157600 53138315200