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61227602048 = 27218712
BaseRepresentation
bin111001000001011100…
…110001000010000000
312212001001112110011202
4321001130301002000
52000343231231143
644043320000332
74265164013264
oct710134610200
9185031473152
1061227602048
1123a6a426708
12ba490000a8
135a09b97032
142d6b92a0a4
1518d53e1ab8
hexe41731080

61227602048 has 24 divisors (see below), whose sum is σ = 121982440815. Its totient is φ = 30612401280.

The previous prime is 61227602021. The next prime is 61227602057. The reversal of 61227602048 is 84020672216.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 30613801024 + 30613801024 = 174968^2 + 174968^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=174968.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2788553 + ... + 2810423.

Almost surely, 261227602048 is an apocalyptic number.

It is an amenable number.

61227602048 is a deficient number, since it is larger than the sum of its proper divisors (60754838767).

61227602048 is an frugal number, since it uses more digits than its factorization.

61227602048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43756 (or 21873 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 61227602048 in words is "sixty-one billion, two hundred twenty-seven million, six hundred two thousand, forty-eight".

Divisors: 1 2 4 8 16 32 64 128 21871 43742 87484 174968 349936 699872 1399744 2799488 478340641 956681282 1913362564 3826725128 7653450256 15306900512 30613801024 61227602048