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512507213315375 = 53127157205630057
BaseRepresentation
bin111010010000111110110001…
…0011001001111110100101111
32111012122012200212222211221012
41310201331202121033310233
51014133404233102043000
65014002321413255435
7212644265342141615
oct16441754231176457
92435565625884835
10512507213315375
111393340a7976733
12495933b893457b
1318cc82b8774195
14907b6a52656b5
153e3b74e855735
hex1d21f6264fd2f

512507213315375 has 32 divisors (see below), whose sum is σ = 648751317706752. Its totient is φ = 404186438073600.

The previous prime is 512507213315371. The next prime is 512507213315399. The reversal of 512507213315375 is 573513312705215.

It is a happy number.

It is not a de Polignac number, because 512507213315375 - 22 = 512507213315371 is a prime.

It is a super-2 number, since 2×5125072133153752 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512507213315371) 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, 100322654 + ... + 105307403.

It is an arithmetic number, because the mean of its divisors is an integer number (20273478678336).

Almost surely, 2512507213315375 is an apocalyptic number.

512507213315375 is a deficient number, since it is larger than the sum of its proper divisors (136244104391377).

512507213315375 is a wasteful number, since it uses less digits than its factorization.

512507213315375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205630356 (or 205630346 counting only the distinct ones).

The product of its (nonzero) digits is 3307500, while the sum is 50.

The spelling of 512507213315375 in words is "five hundred twelve trillion, five hundred seven billion, two hundred thirteen million, three hundred fifteen thousand, three hundred seventy-five".

Divisors: 1 5 25 125 127 157 635 785 3175 3925 15875 19625 19939 99695 498475 2492375 205630057 1028150285 5140751425 25703757125 26115017239 32283918949 130575086195 161419594745 652875430975 807097973725 3264377154875 4035489868625 4100057706523 20500288532615 102501442663075 512507213315375