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257305421410701 = 34637511342118379
BaseRepresentation
bin111010100000010010010110…
…001111011111000110001101
31020202001011021020000112012120
4322200102112033133012031
5232211143000340120301
62311124251225123153
7105124463131333566
oct7240222617370615
91222034236015176
10257305421410701
1174a926864a2094
1224a376210294b9
13b075a493947b1
14477791260316d
151eb3187a05e36
hexea04963df18d

257305421410701 has 32 divisors (see below), whose sum is σ = 344317070008320. Its totient is φ = 170916502680000.

The previous prime is 257305421410673. The next prime is 257305421410757. The reversal of 257305421410701 is 107014124503752.

257305421410701 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 257305421410701 - 214 = 257305421394317 is a prime.

It is a super-2 number, since 2×2573054214107012 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257305421410501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13999959330 + ... + 13999977708.

It is an arithmetic number, because the mean of its divisors is an integer number (10759908437760).

Almost surely, 2257305421410701 is an apocalyptic number.

It is an amenable number.

257305421410701 is a deficient number, since it is larger than the sum of its proper divisors (87011648597619).

257305421410701 is a wasteful number, since it uses less digits than its factorization.

257305421410701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33017.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 257305421410701 in words is "two hundred fifty-seven trillion, three hundred five billion, four hundred twenty-one million, four hundred ten thousand, seven hundred one".

Divisors: 1 3 463 751 1389 2253 13421 18379 40263 55137 347713 1043139 6213923 8509477 10079171 13802629 18641769 25528431 30237513 41407887 246664559 739993677 4666656173 6390617227 13999968519 19171851681 114205690817 185245083809 342617072451 555735251427 85768473803567 257305421410701