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255555210051142 = 21943156398537363
BaseRepresentation
bin111010000110110100010101…
…100000111111111001000110
31020111211211122222120100112221
4322012310111200333321012
5231444004032233114032
62303304235345402554
7104554153224256621
oct7206642540777106
91214754588510487
10255555210051142
11744783a0843a31
12247b438a93945a
13ac799a31886a1
144716d1c466db8
151e8289dee2597
hexe86d1583fe46

255555210051142 has 16 divisors (see below), whose sum is σ = 412892138640960. Its totient is φ = 118237294245672.

The previous prime is 255555210051131. The next prime is 255555210051149. The reversal of 255555210051142 is 241150012555552.

It is a super-3 number, since 3×2555552100511423 (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255555210051149) 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, 78199267048 + ... + 78199270315.

It is an arithmetic number, because the mean of its divisors is an integer number (25805758665060).

Almost surely, 2255555210051142 is an apocalyptic number.

255555210051142 is a deficient number, since it is larger than the sum of its proper divisors (157336928589818).

255555210051142 is a wasteful number, since it uses less digits than its factorization.

255555210051142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156398537427.

The product of its (nonzero) digits is 500000, while the sum is 43.

The spelling of 255555210051142 in words is "two hundred fifty-five trillion, five hundred fifty-five billion, two hundred ten million, fifty-one thousand, one hundred forty-two".

Divisors: 1 2 19 38 43 86 817 1634 156398537363 312797074726 2971572209897 5943144419794 6725137106609 13450274213218 127777605025571 255555210051142