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515142141505 = 5109394262057
BaseRepresentation
bin1110111111100001101…
…11010100011001000001
31211020200010211012102021
413133300313110121001
531420002342012010
61032353015521441
752134462645445
oct7376067243101
91736603735367
10515142141505
1118951a344532
1283a08089281
1339768273b14
141ad0c288825
15d6001738da
hex77f0dd4641

515142141505 has 8 divisors (see below), whose sum is σ = 618736148712. Its totient is φ = 411736660608.

The previous prime is 515142141473. The next prime is 515142141551. The reversal of 515142141505 is 505141241515.

It can be written as a sum of positive squares in 4 ways, for example, as 222088815169 + 293053326336 = 471263^2 + 541344^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 515142141505 - 25 = 515142141473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47125564 + ... + 47136493.

It is an arithmetic number, because the mean of its divisors is an integer number (77342018589).

Almost surely, 2515142141505 is an apocalyptic number.

It is an amenable number.

515142141505 is a deficient number, since it is larger than the sum of its proper divisors (103594007207).

515142141505 is a wasteful number, since it uses less digits than its factorization.

515142141505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94263155.

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 515142141505 in words is "five hundred fifteen billion, one hundred forty-two million, one hundred forty-one thousand, five hundred five".

Divisors: 1 5 1093 5465 94262057 471310285 103028428301 515142141505