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51142355201 = 764811127303
BaseRepresentation
bin101111101000010100…
…100110100100000001
311220000012100211100202
4233220110212210001
51314214420331301
635254450054545
73460232563250
oct575024464401
9156005324322
1051142355201
111a764587463
129ab357a455
134a90630252
142692336797
1514e4ce566b
hexbe8526901

51142355201 has 8 divisors (see below), whose sum is σ = 58457476224. Its totient is φ = 43829501760.

The previous prime is 51142355189. The next prime is 51142355219. The reversal of 51142355201 is 10255324115.

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

It is a cyclic number.

It is not a de Polignac number, because 51142355201 - 26 = 51142355137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51142315201) 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, 518285 + ... + 609018.

It is an arithmetic number, because the mean of its divisors is an integer number (7307184528).

Almost surely, 251142355201 is an apocalyptic number.

It is an amenable number.

51142355201 is a deficient number, since it is larger than the sum of its proper divisors (7315121023).

51142355201 is a wasteful number, since it uses less digits than its factorization.

51142355201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133791.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 51142355201 its reverse (10255324115), we get a palindrome (61397679316).

The spelling of 51142355201 in words is "fifty-one billion, one hundred forty-two million, three hundred fifty-five thousand, two hundred one".

Divisors: 1 7 6481 45367 1127303 7891121 7306050743 51142355201