Search a number
-
+
6411420925655 = 5293471187107351
BaseRepresentation
bin101110101001100011001…
…1101110111111011010111
3211200220222221121001120112
41131103012131313323113
51320021042224110110
621345211025153235
71231131662452424
oct135230635677327
924626887531515
106411420925655
112052082a70289
128766aba8b81b
13376795b828c5
14182458b12d4b
15b1b98369405
hex5d4c6777ed7

6411420925655 has 32 divisors (see below), whose sum is σ = 7988740784640. Its totient is φ = 4933792259200.

The previous prime is 6411420925621. The next prime is 6411420925729. The reversal of 6411420925655 is 5565290241146.

It is a de Polignac number, because none of the positive numbers 2k-6411420925655 is a prime.

It is a super-2 number, since 2×64114209256552 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59670230 + ... + 59777580.

It is an arithmetic number, because the mean of its divisors is an integer number (249648149520).

Almost surely, 26411420925655 is an apocalyptic number.

6411420925655 is a deficient number, since it is larger than the sum of its proper divisors (1577319858985).

6411420925655 is a wasteful number, since it uses less digits than its factorization.

6411420925655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108919.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 6411420925655 in words is "six trillion, four hundred eleven billion, four hundred twenty million, nine hundred twenty-five thousand, six hundred fifty-five".

Divisors: 1 5 29 145 347 1187 1735 5935 10063 34423 50315 107351 172115 411889 536755 2059445 3113179 11944781 15565895 37250797 59723905 127425637 186253985 637128185 1080273113 3695343473 5401365565 18476717365 44216696039 221083480195 1282284185131 6411420925655