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551142253222142 = 21571755230105803
BaseRepresentation
bin111110101010000101100111…
…0001110010101100011111110
32200021102200111020200202111112
41331110023032032111203332
51034214403313311102032
65232103131125522022
7224042466551651111
oct17524131616254376
92607380436622445
10551142253222142
1114a67a13177104a
1251993089573312
131a86b6509bba0a
149a155daa6c578
1543ab71c7271b2
hex1f542ce3958fe

551142253222142 has 8 divisors (see below), whose sum is σ = 831979070151096. Its totient is φ = 273815896505112.

The previous prime is 551142253222133. The next prime is 551142253222147. The reversal of 551142253222142 is 241222352241155.

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 551142253222142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551142253222147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877615052588 + ... + 877615053215.

It is an arithmetic number, because the mean of its divisors is an integer number (103997383768887).

Almost surely, 2551142253222142 is an apocalyptic number.

551142253222142 is a deficient number, since it is larger than the sum of its proper divisors (280836816928954).

551142253222142 is a wasteful number, since it uses less digits than its factorization.

551142253222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755230105962.

The product of its digits is 384000, while the sum is 41.

The spelling of 551142253222142 in words is "five hundred fifty-one trillion, one hundred forty-two billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred forty-two".

Divisors: 1 2 157 314 1755230105803 3510460211606 275571126611071 551142253222142