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545255120031 = 31791015372663
BaseRepresentation
bin1111110111100111011…
…11001101110010011111
31221010101202201000012020
413323303233031302133
532413140302320111
61054253045311223
754251634022656
oct7736357156237
91833352630166
10545255120031
111a0272333a46
1289810a05513
133c556b74bcb
141c56770219d
15e2b3b67906
hex7ef3bcdc9f

545255120031 has 8 divisors (see below), whose sum is σ = 731068318080. Its totient is φ = 361472667672.

The previous prime is 545255119993. The next prime is 545255120057. The reversal of 545255120031 is 130021552545.

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

It is not a de Polignac number, because 545255120031 - 227 = 545120902303 is a prime.

It is a super-2 number, since 2×5452551200312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545255119974 and 545255120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545255100031) 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, 507685795 + ... + 507686868.

It is an arithmetic number, because the mean of its divisors is an integer number (91383539760).

Almost surely, 2545255120031 is an apocalyptic number.

545255120031 is a deficient number, since it is larger than the sum of its proper divisors (185813198049).

545255120031 is a wasteful number, since it uses less digits than its factorization.

545255120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015372845.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 545255120031 its reverse (130021552545), we get a palindrome (675276672576).

The spelling of 545255120031 in words is "five hundred forty-five billion, two hundred fifty-five million, one hundred twenty thousand, thirty-one".

Divisors: 1 3 179 537 1015372663 3046117989 181751706677 545255120031