Search a number
-
+
51413458411 = 7172319999397
BaseRepresentation
bin101111111000011110…
…110001110111101011
311220201002111022001101
4233320132301313223
51320243321132121
635341412502231
73500034120520
oct577036616753
9156632438041
1051413458411
111a8936142a7
129b6a31a977
134b04851253
1426ba347147
15150d9e7491
hexbf87b1deb

51413458411 has 32 divisors (see below), whose sum is σ = 64958976000. Its totient is φ = 39649015296.

The previous prime is 51413458351. The next prime is 51413458471. The reversal of 51413458411 is 11485431415.

It is an interprime number because it is at equal distance from previous prime (51413458351) and next prime (51413458471).

It is a cyclic number.

It is not a de Polignac number, because 51413458411 - 215 = 51413425643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51413458471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5466565 + ... + 5475961.

It is an arithmetic number, because the mean of its divisors is an integer number (2029968000).

Almost surely, 251413458411 is an apocalyptic number.

51413458411 is a deficient number, since it is larger than the sum of its proper divisors (13545517589).

51413458411 is a wasteful number, since it uses less digits than its factorization.

51413458411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11443.

The product of its digits is 38400, while the sum is 37.

Adding to 51413458411 its reverse (11485431415), we get a palindrome (62898889826).

The spelling of 51413458411 in words is "fifty-one billion, four hundred thirteen million, four hundred fifty-eight thousand, four hundred eleven".

Divisors: 1 7 17 23 119 161 391 1999 2737 9397 13993 33983 45977 65779 159749 216131 237881 321839 781609 1118243 1512917 3674227 5471263 18784603 25719589 131492221 319338251 432045869 2235367757 3024321083 7344779773 51413458411