Search a number
-
+
51106352401363 = 747891745375923
BaseRepresentation
bin10111001111011000111111…
…11110110000101111010011
320200221201102120101110100011
423213230133332300233103
523144311302203320423
6300405533440535351
713523212024602220
oct1347543776605723
9220851376343304
1051106352401363
111531409a655266
125894906021557
1322694015b120c
14c897bc614947
155d95d8158b0d
hex2e7b1ffb0bd3

51106352401363 has 16 divisors (see below), whose sum is σ = 60320191933440. Its totient is φ = 42391690393536.

The previous prime is 51106352401361. The next prime is 51106352401393. The reversal of 51106352401363 is 36310425360115.

It is a cyclic number.

It is not a de Polignac number, because 51106352401363 - 21 = 51106352401361 is a prime.

It is a super-2 number, since 2×511063524013632 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51106352401361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872658681 + ... + 872717242.

It is an arithmetic number, because the mean of its divisors is an integer number (3770011995840).

Almost surely, 251106352401363 is an apocalyptic number.

51106352401363 is a deficient number, since it is larger than the sum of its proper divisors (9213839532077).

51106352401363 is a wasteful number, since it uses less digits than its factorization.

51106352401363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745376066.

The product of its (nonzero) digits is 194400, while the sum is 40.

Adding to 51106352401363 its reverse (36310425360115), we get a palindrome (87416777761478).

The spelling of 51106352401363 in words is "fifty-one trillion, one hundred six billion, three hundred fifty-two million, four hundred one thousand, three hundred sixty-three".

Divisors: 1 7 47 89 329 623 4183 29281 1745375923 12217631461 82032668381 155338457147 574228678667 1087369200029 7300907485909 51106352401363