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30420011625653 = 133763243267413
BaseRepresentation
bin1101110101010101101011…
…11111001010110010110101
310222201010100220200001010102
412322222311333022302311
512441400140434010103
6144410432130003445
76256526150324156
oct672526577126265
9128633326601112
1030420011625653
119769066572a51
1234b3728416585
1313c87969959b0
1477249d1bd92d
1537b463487e88
hex1baab5fcacb5

30420011625653 has 8 divisors (see below), whose sum is σ = 33645418264248. Its totient is φ = 27321091521984.

The previous prime is 30420011625643. The next prime is 30420011625671. The reversal of 30420011625653 is 35652611002403.

It can be written as a sum of positive squares in 4 ways, for example, as 597130198564 + 29822881427089 = 772742^2 + 5461033^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30420011625653 - 24 = 30420011625637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420011625643) 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, 31621633226 + ... + 31621634187.

It is an arithmetic number, because the mean of its divisors is an integer number (4205677283031).

Almost surely, 230420011625653 is an apocalyptic number.

It is an amenable number.

30420011625653 is a deficient number, since it is larger than the sum of its proper divisors (3225406638595).

30420011625653 is a wasteful number, since it uses less digits than its factorization.

30420011625653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63243267463.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 30420011625653 in words is "thirty trillion, four hundred twenty billion, eleven million, six hundred twenty-five thousand, six hundred fifty-three".

Divisors: 1 13 37 481 63243267413 822162476369 2340000894281 30420011625653