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512900105248531 = 711131573933255467
BaseRepresentation
bin111010010011110101101110…
…0100101000001111100010011
32111021000202211012111000022001
41310213223130211001330103
51014211323403420423111
65014503015555054431
7213014544513362650
oct16447533445017423
92437022735430261
10512900105248531
11139475793153220
12496375875a1417
13190263705a00c0
1490926d73bac27
153e46a971da1c1
hex1d27adc941f13

512900105248531 has 32 divisors (see below), whose sum is σ = 688653679246848. Its totient is φ = 368916699363840.

The previous prime is 512900105248507. The next prime is 512900105248549. The reversal of 512900105248531 is 135842501009215.

It is a cyclic number.

It is not a de Polignac number, because 512900105248531 - 213 = 512900105240339 is a prime.

It is a super-2 number, since 2×5129001052485312 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (512900105248501) 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, 155922660 + ... + 159178126.

It is an arithmetic number, because the mean of its divisors is an integer number (21520427476464).

Almost surely, 2512900105248531 is an apocalyptic number.

512900105248531 is a deficient number, since it is larger than the sum of its proper divisors (175753573998317).

512900105248531 is a wasteful number, since it uses less digits than its factorization.

512900105248531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412891.

The product of its (nonzero) digits is 432000, while the sum is 46.

The spelling of 512900105248531 in words is "five hundred twelve trillion, nine hundred billion, one hundred five million, two hundred forty-eight thousand, five hundred thirty-one".

Divisors: 1 7 11 13 77 91 143 1001 157393 1101751 1731323 2046109 3255467 12119261 14322763 22507199 22788269 35810137 42321071 157550393 250670959 296247497 465531781 3258722467 512387717531 3586714022717 5636264892841 6661040327903 39453854249887 46627282295321 73271443606933 512900105248531