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42254672654 = 297217807591
BaseRepresentation
bin100111010110100100…
…110010001100001110
311001001210121202221002
4213112210302030032
51143014144011104
631224520140302
73024052535315
oct472644621416
9131053552832
1042254672654
1116a1372aa77
128233007692
133ca52170ac
14208bbdb27c
15117490301e
hex9d693230e

42254672654 has 8 divisors (see below), whose sum is σ = 64035432048. Its totient is φ = 20909528640.

The previous prime is 42254672653. The next prime is 42254672657. The reversal of 42254672654 is 45627645224.

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

It is a super-2 number, since 2×422546726542 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42254672599 and 42254672608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42254672653) 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, 108903602 + ... + 108903989.

It is an arithmetic number, because the mean of its divisors is an integer number (8004429006).

Almost surely, 242254672654 is an apocalyptic number.

42254672654 is a deficient number, since it is larger than the sum of its proper divisors (21780759394).

42254672654 is a wasteful number, since it uses less digits than its factorization.

42254672654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217807690.

The product of its digits is 3225600, while the sum is 47.

The spelling of 42254672654 in words is "forty-two billion, two hundred fifty-four million, six hundred seventy-two thousand, six hundred fifty-four".

Divisors: 1 2 97 194 217807591 435615182 21127336327 42254672654