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51214405002 = 2320327419921
BaseRepresentation
bin101111101100100111…
…011100110110001010
311220012012221100002220
4233230213130312022
51314341341430002
635305542234510
73462066155055
oct575447346612
9156165840086
1051214405002
111a7a1218552
129b13725a36
134aa2538a77
14269bb2da9c
1514eb2c87bc
hexbec9dcd8a

51214405002 has 16 divisors (see below), whose sum is σ = 102434092992. Its totient is φ = 17070587840.

The previous prime is 51214404971. The next prime is 51214405009. The reversal of 51214405002 is 20050441215.

It is not an unprimeable number, because it can be changed into a prime (51214405009) 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, 87999 + ... + 331922.

It is an arithmetic number, because the mean of its divisors is an integer number (6402130812).

Almost surely, 251214405002 is an apocalyptic number.

51214405002 is an abundant number, since it is smaller than the sum of its proper divisors (51219687990).

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

51214405002 is a wasteful number, since it uses less digits than its factorization.

51214405002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440253.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 51214405002 its reverse (20050441215), we get a palindrome (71264846217).

The spelling of 51214405002 in words is "fifty-one billion, two hundred fourteen million, four hundred five thousand, two".

Divisors: 1 2 3 6 20327 40654 60981 121962 419921 839842 1259763 2519526 8535734167 17071468334 25607202501 51214405002