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25550050006 = 21317193042397
BaseRepresentation
bin10111110010111001…
…101101001011010110
32102221121221000120101
4113302321231023112
5404311303100011
615423150124314
71563103561465
oct276271551326
972847830511
1025550050006
11a921378808
124b507b069a
1325424936b0
14134544a9dc
159e81252c1
hex5f2e6d2d6

25550050006 has 32 divisors (see below), whose sum is σ = 46001057760. Its totient is φ = 10514520576.

The previous prime is 25550049983. The next prime is 25550050027. The reversal of 25550050006 is 60005005552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512801 + ... + 1529596.

It is an arithmetic number, because the mean of its divisors is an integer number (1437533055).

Almost surely, 225550050006 is an apocalyptic number.

25550050006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25550050006 is a deficient number, since it is larger than the sum of its proper divisors (20451007754).

25550050006 is a wasteful number, since it uses less digits than its factorization.

25550050006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042448.

The product of its (nonzero) digits is 7500, while the sum is 28.

Adding to 25550050006 its reverse (60005005552), we get a palindrome (85555055558).

The spelling of 25550050006 in words is "twenty-five billion, five hundred fifty million, fifty thousand, six".

Divisors: 1 2 13 17 19 26 34 38 221 247 323 442 494 646 4199 8398 3042397 6084794 39551161 51720749 57805543 79102322 103441498 115611086 672369737 751472059 982694231 1344739474 1502944118 1965388462 12775025003 25550050006