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42210651031 = 232657690721
BaseRepresentation
bin100111010011111100…
…110110101110010111
311000221201210020121121
4213103330312232113
51142421411313111
631220304424411
73023006420353
oct472374665627
9130851706547
1042210651031
11169a08a296a
128220318107
133c99072bb3
14208601c463
151170b09871
hex9d3f36b97

42210651031 has 8 divisors (see below), whose sum is σ = 44062537824. Its totient is φ = 40360151040.

The previous prime is 42210650983. The next prime is 42210651053. The reversal of 42210651031 is 13015601224.

It is a happy number.

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 42210651031 - 27 = 42210650903 is a prime.

It is a super-2 number, since 2×422106510312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42210650987 and 42210651005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210651061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284250 + ... + 406471.

It is an arithmetic number, because the mean of its divisors is an integer number (5507817228).

Almost surely, 242210651031 is an apocalyptic number.

42210651031 is a deficient number, since it is larger than the sum of its proper divisors (1851886793).

42210651031 is a wasteful number, since it uses less digits than its factorization.

42210651031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693401.

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 42210651031 in words is "forty-two billion, two hundred ten million, six hundred fifty-one thousand, thirty-one".

Divisors: 1 23 2657 61111 690721 15886583 1835245697 42210651031