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315250231045 = 55924138911399
BaseRepresentation
bin1001001011001100110…
…00001100011100000101
31010010201022221000220011
410211212120030130011
520131113024343140
6400453550310221
731530123515341
oct4454630143405
91103638830804
10315250231045
1111177359a632
12511207b8371
132396046b569
14113886a2621
158301450cea
hex496660c705

315250231045 has 32 divisors (see below), whose sum is σ = 387335520000. Its totient is φ = 246240568320.

The previous prime is 315250231039. The next prime is 315250231057. The reversal of 315250231045 is 540132052513.

It is not a de Polignac number, because 315250231045 - 25 = 315250231013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315250230998 and 315250231016.

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, 27650256 + ... + 27661654.

It is an arithmetic number, because the mean of its divisors is an integer number (12104235000).

Almost surely, 2315250231045 is an apocalyptic number.

It is an amenable number.

315250231045 is a deficient number, since it is larger than the sum of its proper divisors (72085288955).

315250231045 is a wasteful number, since it uses less digits than its factorization.

315250231045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12093.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 315250231045 its reverse (540132052513), we get a palindrome (855382283558).

The spelling of 315250231045 in words is "three hundred fifteen billion, two hundred fifty million, two hundred thirty-one thousand, forty-five".

Divisors: 1 5 59 241 295 389 1205 1945 11399 14219 22951 56995 71095 93749 114755 468745 672541 2747159 3362705 4434211 5531191 13735795 22171055 27655955 162082381 261618449 810411905 1068644851 1308092245 5343224255 63050046209 315250231045