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28427536706650 = 252737788366221
BaseRepresentation
bin1100111011010110011010…
…01110100010110001011010
310201122122102220120220122221
412131223031032202301122
512211224043344103100
6140243232521334254
75662551601052554
oct635531516426132
9121578386526587
1028427536706650
119070061403974
12323154463738a
1312b2922461693
14703c85cd04d4
153446eae4401a
hex19dacd3a2c5a

28427536706650 has 24 divisors (see below), whose sum is σ = 53599536339804. Its totient is φ = 11215247356800.

The previous prime is 28427536706641. The next prime is 28427536706659. The reversal of 28427536706650 is 5660763572482.

It is an interprime number because it is at equal distance from previous prime (28427536706641) and next prime (28427536706659).

It can be written as a sum of positive squares in 6 ways, for example, as 17751366018169 + 10676170688481 = 4213237^2 + 3267441^2 .

It is not an unprimeable number, because it can be changed into a prime (28427536706659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3894179461 + ... + 3894186760.

Almost surely, 228427536706650 is an apocalyptic number.

28427536706650 is a deficient number, since it is larger than the sum of its proper divisors (25171999633154).

28427536706650 is a wasteful number, since it uses less digits than its factorization.

28427536706650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7788366306 (or 7788366301 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 61.

The spelling of 28427536706650 in words is "twenty-eight trillion, four hundred twenty-seven billion, five hundred thirty-six million, seven hundred six thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 73 146 365 730 1825 3650 7788366221 15576732442 38941831105 77883662210 194709155525 389418311050 568550734133 1137101468266 2842753670665 5685507341330 14213768353325 28427536706650