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61222703043 = 320407567681
BaseRepresentation
bin111001000001001010…
…000100111111000011
312212000201022120000010
4321001022010333003
52000341002444133
644043023000003
74265104250415
oct710112047703
9185021276003
1061222703043
1123a6768aa47
12ba47439003
135a08b70208
142d6b0129b5
1518d4c75263
hexe41284fc3

61222703043 has 4 divisors (see below), whose sum is σ = 81630270728. Its totient is φ = 40815135360.

The previous prime is 61222703011. The next prime is 61222703053. The reversal of 61222703043 is 34030722216.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61222703043 - 25 = 61222703011 is a prime.

It is a super-2 number, since 2×612227030432 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61222703043.

It is not an unprimeable number, because it can be changed into a prime (61222703053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10203783838 + ... + 10203783843.

It is an arithmetic number, because the mean of its divisors is an integer number (20407567682).

Almost surely, 261222703043 is an apocalyptic number.

61222703043 is a deficient number, since it is larger than the sum of its proper divisors (20407567685).

61222703043 is a wasteful number, since it uses less digits than its factorization.

61222703043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20407567684.

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 61222703043 in words is "sixty-one billion, two hundred twenty-two million, seven hundred three thousand, forty-three".

Divisors: 1 3 20407567681 61222703043