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525471745412 = 22213613614981
BaseRepresentation
bin1111010010110001000…
…11101000010110000100
31212020100000210110002202
413221120203220112010
532102131231323122
61041222015054032
752651452065645
oct7513043502604
91766300713082
10525471745412
11192940112869
1285a0b511318
133a723325993
141b60c0c96cc
15da06e3be92
hex7a588e8584

525471745412 has 12 divisors (see below), whose sum is σ = 919581354636. Its totient is φ = 262734215520.

The previous prime is 525471745387. The next prime is 525471745417. The reversal of 525471745412 is 214547174525.

It can be written as a sum of positive squares in 2 ways, for example, as 252220910656 + 273250834756 = 502216^2 + 522734^2 .

It is a super-2 number, since 2×5254717454122 (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (525471745417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546962 + ... + 1161942.

It is an arithmetic number, because the mean of its divisors is an integer number (76631779553).

Almost surely, 2525471745412 is an apocalyptic number.

It is an amenable number.

525471745412 is a deficient number, since it is larger than the sum of its proper divisors (394109609224).

525471745412 is a wasteful number, since it uses less digits than its factorization.

525471745412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828598 (or 828596 counting only the distinct ones).

The product of its digits is 1568000, while the sum is 47.

The spelling of 525471745412 in words is "five hundred twenty-five billion, four hundred seventy-one million, seven hundred forty-five thousand, four hundred twelve".

Divisors: 1 2 4 213613 427226 614981 854452 1229962 2459924 131367936353 262735872706 525471745412