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20150315001 = 35421431457
BaseRepresentation
bin10010110001000011…
…010110011111111001
31221000022101001200000
4102301003112133321
5312231440040001
613131255103213
71312225565025
oct226103263771
957008331600
1020150315001
1186003669a3
123aa4371b09
131b9188701b
14d92253385
157ce05da86
hex4b10d67f9

20150315001 has 48 divisors (see below), whose sum is σ = 30392264448. Its totient is φ = 13341283200.

The previous prime is 20150314993. The next prime is 20150315027. The reversal of 20150315001 is 10051305102.

It is not a de Polignac number, because 20150315001 - 23 = 20150314993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20150315401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44092365 + ... + 44092821.

It is an arithmetic number, because the mean of its divisors is an integer number (633172176).

Almost surely, 220150315001 is an apocalyptic number.

It is an amenable number.

20150315001 is a deficient number, since it is larger than the sum of its proper divisors (10241949447).

20150315001 is an equidigital number, since it uses as much as digits as its factorization.

20150315001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The spelling of 20150315001 in words is "twenty billion, one hundred fifty million, three hundred fifteen thousand, one".

Divisors: 1 3 9 27 81 243 421 431 457 1263 1293 1371 3789 3879 4113 11367 11637 12339 34101 34911 37017 102303 104733 111051 181451 192397 196967 544353 577191 590901 1633059 1731573 1772703 4899177 5194719 5318109 14697531 15584157 15954327 44092593 46752471 47862981 82923107 248769321 746307963 2238923889 6716771667 20150315001