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542550256231 = 4756113205721
BaseRepresentation
bin1111110010100101000…
…00111110101001100111
31220212102021000200121111
413321102200332221213
532342120331144411
61053124422525451
754124621041454
oct7712240765147
91825367020544
10542550256231
1119a104525815
1289196b96887
133c215677699
141c38c3a482b
15e1a6471721
hex7e5283ea67

542550256231 has 8 divisors (see below), whose sum is σ = 554106446784. Its totient is φ = 530994589440.

The previous prime is 542550256121. The next prime is 542550256249. The reversal of 542550256231 is 132652055245.

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 542550256231 - 221 = 542548159079 is a prime.

It is a super-2 number, since 2×5425502562312 (a number of 24 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 (542550256931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534451 + ... + 2740171.

It is an arithmetic number, because the mean of its divisors is an integer number (69263305848).

Almost surely, 2542550256231 is an apocalyptic number.

542550256231 is a deficient number, since it is larger than the sum of its proper divisors (11556190553).

542550256231 is a wasteful number, since it uses less digits than its factorization.

542550256231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261881.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 542550256231 in words is "five hundred forty-two billion, five hundred fifty million, two hundred fifty-six thousand, two hundred thirty-one".

Divisors: 1 47 56113 205721 2637311 9668887 11543622473 542550256231