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61284734016 = 2631129017393
BaseRepresentation
bin111001000100110110…
…101101010001000000
312212012001001001111120
4321010312231101000
52001002342442031
644053120312240
74266456433632
oct710466552100
9185161031446
1061284734016
1123a996a8810
12ba64172680
135a1897b72c
142d7535ca52
1518da429a96
hexe44dad440

61284734016 has 56 divisors (see below), whose sum is σ = 176890033824. Its totient is φ = 18571130880.

The previous prime is 61284734011. The next prime is 61284734101. The reversal of 61284734016 is 61043748216.

It is not an unprimeable number, because it can be changed into a prime (61284734011) 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, 14506585 + ... + 14510808.

It is an arithmetic number, because the mean of its divisors is an integer number (3158750604).

Almost surely, 261284734016 is an apocalyptic number.

61284734016 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

61284734016 is an abundant number, since it is smaller than the sum of its proper divisors (115605299808).

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

61284734016 is a wasteful number, since it uses less digits than its factorization.

61284734016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29017419 (or 29017409 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 61284734016 in words is "sixty-one billion, two hundred eighty-four million, seven hundred thirty-four thousand, sixteen".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 132 176 192 264 352 528 704 1056 2112 29017393 58034786 87052179 116069572 174104358 232139144 319191323 348208716 464278288 638382646 696417432 928556576 957573969 1276765292 1392834864 1857113152 1915147938 2553530584 2785669728 3830295876 5107061168 5571339456 7660591752 10214122336 15321183504 20428244672 30642367008 61284734016