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61441407426 = 23721979105601
BaseRepresentation
bin111001001110001100…
…010111100111000010
312212120221211220000110
4321032030113213002
52001313000014201
644120434332150
74303401226500
oct711614274702
9185527756013
1061441407426
112406a088873
12baa872a056
135a42275ca9
142d8c0a3670
1518e90766d6
hexe4e3179c2

61441407426 has 48 divisors (see below), whose sum is σ = 143018900640. Its totient is φ = 17545651200.

The previous prime is 61441407421. The next prime is 61441407437. The reversal of 61441407426 is 62470414416.

61441407426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61441407421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 529026 + ... + 634626.

It is an arithmetic number, because the mean of its divisors is an integer number (2979560430).

Almost surely, 261441407426 is an apocalyptic number.

61441407426 is an abundant number, since it is smaller than the sum of its proper divisors (81577493214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61441407426 is a wasteful number, since it uses less digits than its factorization.

61441407426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107599 (or 107592 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 61441407426 in words is "sixty-one billion, four hundred forty-one million, four hundred seven thousand, four hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 1979 3958 5937 11874 13853 27706 41559 83118 96971 105601 193942 211202 290913 316803 581826 633606 739207 1478414 2217621 4435242 5174449 10348898 15523347 31046694 208984379 417968758 626953137 1253906274 1462890653 2925781306 4388671959 8777343918 10240234571 20480469142 30720703713 61441407426