Search a number
-
+
51552143204 = 22177119953657
BaseRepresentation
bin110000000000101111…
…110100011101100100
311221001202110012211012
4300000233310131210
51321034322040304
635403245201352
73503336662412
oct600057643544
9157052405735
1051552143204
111a954928231
129ba8860258
134b274baa63
1426d09282b2
15151ac8e16e
hexc00bf4764

51552143204 has 48 divisors (see below), whose sum is σ = 97357075200. Its totient is φ = 23797509120.

The previous prime is 51552143183. The next prime is 51552143231. The reversal of 51552143204 is 40234125515.

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, 933944 + ... + 987600.

It is an arithmetic number, because the mean of its divisors is an integer number (2028272400).

Almost surely, 251552143204 is an apocalyptic number.

It is an amenable number.

51552143204 is a deficient number, since it is larger than the sum of its proper divisors (45804931996).

51552143204 is a wasteful number, since it uses less digits than its factorization.

51552143204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53948 (or 53946 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 51552143204 its reverse (40234125515), we get a palindrome (91786268719).

The spelling of 51552143204 in words is "fifty-one billion, five hundred fifty-two million, one hundred forty-three thousand, two hundred four".

Divisors: 1 2 4 17 34 68 71 142 199 284 398 796 1207 2414 3383 4828 6766 13532 14129 28258 53657 56516 107314 214628 240193 480386 912169 960772 1824338 3648676 3809647 7619294 10677743 15238588 21355486 42710972 64763999 129527998 181521631 259055996 363043262 726086524 758119753 1516239506 3032479012 12888035801 25776071602 51552143204