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54007900816 = 24580992
BaseRepresentation
bin110010010011000111…
…110010101010010000
312011101220101121221211
4302103013302222100
51341102010311231
640451052425504
73621236403532
oct622307625220
9164356347854
1054007900816
11209a5063281
12a573178294
1351291c967c
142884b3d852
15161167aeb1
hexc931f2a90

54007900816 has 15 divisors (see below), whose sum is σ = 104642108931. Its totient is φ = 27003485616.

The previous prime is 54007900813. The next prime is 54007900847. The reversal of 54007900816 is 61800970045.

The square root of 54007900816 is 232396.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54007900813) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 900535 + ... + 958633.

Almost surely, 254007900816 is an apocalyptic number.

54007900816 is the 232396-th square number.

It is an amenable number.

54007900816 is a deficient number, since it is larger than the sum of its proper divisors (50634208115).

54007900816 is an frugal number, since it uses more digits than its factorization.

54007900816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116206 (or 58101 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 54007900816 in words is "fifty-four billion, seven million, nine hundred thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 58099 116198 232396 464792 929584 3375493801 6750987602 13501975204 27003950408 54007900816