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254304122140 = 22529586974707
BaseRepresentation
bin1110110011010110110…
…1001111010100011100
3220022101220001220201101
43230311231033110130
513131303323402030
6312454203522444
724241615241545
oct3546555172434
9808356056641
10254304122140
1198939057992
1241351b29424
131ac999c2723
14c4462cd4cc
156935b147ca
hex3b35b4f51c

254304122140 has 48 divisors (see below), whose sum is σ = 552555309600. Its totient is φ = 98195956992.

The previous prime is 254304122131. The next prime is 254304122147. The reversal of 254304122140 is 41221403452.

It is a junction number, because it is equal to n+sod(n) for n = 254304122099 and 254304122108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254304122147) 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, 3366667 + ... + 3441373.

It is an arithmetic number, because the mean of its divisors is an integer number (11511568950).

Almost surely, 2254304122140 is an apocalyptic number.

254304122140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254304122140 is an abundant number, since it is smaller than the sum of its proper divisors (298251187460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254304122140 is a wasteful number, since it uses less digits than its factorization.

254304122140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80614 (or 80612 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 254304122140 its reverse (41221403452), we get a palindrome (295525525592).

The spelling of 254304122140 in words is "two hundred fifty-four billion, three hundred four million, one hundred twenty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 5869 11738 23476 29345 58690 74707 117380 149414 170201 298828 340402 373535 680804 747070 851005 1494140 1702010 2166503 3404020 4333006 8666012 10832515 21665030 43330060 438455383 876910766 1753821532 2192276915 4384553830 8769107660 12715206107 25430412214 50860824428 63576030535 127152061070 254304122140