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51046464106 = 21110721684989
BaseRepresentation
bin101111100010100110…
…110011101001101010
311212202111221001111201
4233202212303221222
51314020343322411
635241142514414
73454656533341
oct574246635152
9155674831451
1051046464106
111a715442020
129a87435a0a
134a767c7a61
1426836d4b58
1514db6a33c1
hexbe29b3a6a

51046464106 has 16 divisors (see below), whose sum is σ = 84311241120. Its totient is φ = 22986087280.

The previous prime is 51046464103. The next prime is 51046464163. The reversal of 51046464106 is 60146464015.

It is not an unprimeable number, because it can be changed into a prime (51046464101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10840141 + ... + 10844848.

It is an arithmetic number, because the mean of its divisors is an integer number (5269452570).

Almost surely, 251046464106 is an apocalyptic number.

51046464106 is a deficient number, since it is larger than the sum of its proper divisors (33264777014).

51046464106 is a wasteful number, since it uses less digits than its factorization.

51046464106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21685109.

The product of its (nonzero) digits is 69120, while the sum is 37.

Subtracting 51046464106 from its reverse (60146464015), we obtain a palindrome (9099999909).

The spelling of 51046464106 in words is "fifty-one billion, forty-six million, four hundred sixty-four thousand, one hundred six".

Divisors: 1 2 11 22 107 214 1177 2354 21684989 43369978 238534879 477069758 2320293823 4640587646 25523232053 51046464106