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51143504210 = 255114350421
BaseRepresentation
bin101111101000011000…
…111111000101010010
311220000021112012111122
4233220120333011102
51314220214113320
635254530442242
73460245420161
oct575030770522
9156007465448
1051143504210
111a7651a1757
129ab3a33382
134a90943236
1426925553d8
1514e4e70d25
hexbe863f152

51143504210 has 8 divisors (see below), whose sum is σ = 92058307596. Its totient is φ = 20457401680.

The previous prime is 51143504183. The next prime is 51143504273. The reversal of 51143504210 is 1240534115.

It can be written as a sum of positive squares in 2 ways, for example, as 46988799361 + 4154704849 = 216769^2 + 64457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51143504210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557175201 + ... + 2557175220.

Almost surely, 251143504210 is an apocalyptic number.

51143504210 is a deficient number, since it is larger than the sum of its proper divisors (40914803386).

51143504210 is a wasteful number, since it uses less digits than its factorization.

51143504210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114350428.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 51143504210 in words is "fifty-one billion, one hundred forty-three million, five hundred four thousand, two hundred ten".

Divisors: 1 2 5 10 5114350421 10228700842 25571752105 51143504210