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20416001401655 = 518305712230561
BaseRepresentation
bin1001010010001011110001…
…00000101110001100110111
32200021202021020111022011022
410221011320200232030313
510133443432324323110
6111230552003531355
74205002355421446
oct451057040561467
980252236438138
1020416001401655
116561417602322
122358911689b5b
13b512b3a79282
145081d5638d5d
15256101450755
hex12917882e337

20416001401655 has 8 divisors (see below), whose sum is σ = 24499226048784. Its totient is φ = 16332784876800.

The previous prime is 20416001401613. The next prime is 20416001401669. The reversal of 20416001401655 is 55610410061402.

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

It is not a de Polignac number, because 20416001401655 - 222 = 20415997207351 is a prime.

It is a super-2 number, since 2×204160014016552 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8037575 + ... + 10268135.

It is an arithmetic number, because the mean of its divisors is an integer number (3062403256098).

Almost surely, 220416001401655 is an apocalyptic number.

20416001401655 is a deficient number, since it is larger than the sum of its proper divisors (4083224647129).

20416001401655 is a wasteful number, since it uses less digits than its factorization.

20416001401655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061137.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 20416001401655 in words is "twenty trillion, four hundred sixteen billion, one million, four hundred one thousand, six hundred fifty-five".

Divisors: 1 5 1830571 2230561 9152855 11152805 4083200280331 20416001401655