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258120031103 = 11431459374029
BaseRepresentation
bin1111000001100100100…
…1110001101101111111
3220200020211101011201222
43300121021301231333
513212112211443403
6314325000023555
724435312030554
oct3603111615577
9820224334658
10258120031103
119a517034860
1242037a61bbb
131b45743a11c
14c6c9002a2b
156aaab24338
hex3c19271b7f

258120031103 has 16 divisors (see below), whose sum is σ = 288332246400. Its totient is φ = 229039786080.

The previous prime is 258120031049. The next prime is 258120031129. The reversal of 258120031103 is 301130021852.

It is a cyclic number.

It is not a de Polignac number, because 258120031103 - 236 = 189400554367 is a prime.

It is a super-2 number, since 2×2581200311032 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258120031133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503093 + ... + 877121.

It is an arithmetic number, because the mean of its divisors is an integer number (18020765400).

Almost surely, 2258120031103 is an apocalyptic number.

258120031103 is a deficient number, since it is larger than the sum of its proper divisors (30212215297).

258120031103 is a wasteful number, since it uses less digits than its factorization.

258120031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375542.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 258120031103 its reverse (301130021852), we get a palindrome (559250052955).

The spelling of 258120031103 in words is "two hundred fifty-eight billion, one hundred twenty million, thirty-one thousand, one hundred three".

Divisors: 1 11 43 473 1459 16049 62737 374029 690107 4114319 16083247 176915717 545708311 6002791421 23465457373 258120031103