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542550666131 = 2375373129781
BaseRepresentation
bin1111110010100101000…
…10100010101110010011
31220212102021210111212222
413321102202202232103
532342120432304011
61053124435411255
754124624366505
oct7712242425623
91825367714788
10542550666131
1119a104785781
1289197153b2b
133c21578c126
141c38c46dd75
15e1a6502ddb
hex7e528a2b93

542550666131 has 8 divisors (see below), whose sum is σ = 566215121184. Its totient is φ = 518892485760.

The previous prime is 542550666107. The next prime is 542550666187. The reversal of 542550666131 is 131666055245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-542550666131 is a prime.

It is a super-2 number, since 2×5425506661312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542550666101) 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, 1391540 + ... + 1738241.

It is an arithmetic number, because the mean of its divisors is an integer number (70776890148).

Almost surely, 2542550666131 is an apocalyptic number.

542550666131 is a deficient number, since it is larger than the sum of its proper divisors (23664455053).

542550666131 is a wasteful number, since it uses less digits than its factorization.

542550666131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137341.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 542550666131 in words is "five hundred forty-two billion, five hundred fifty million, six hundred sixty-six thousand, one hundred thirty-one".

Divisors: 1 23 7537 173351 3129781 71984963 23589159397 542550666131