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1662103136431 = 4253946741281
BaseRepresentation
bin11000001011111101000…
…100010010100010101111
312212220011211021200112101
4120023331010102202233
5204212441400331211
63311320514315531
7231040315360603
oct30137504224257
95786154250471
101662103136431
11590991987031
1222a162b88ba7
13c09742cb84a
145a636605503
152d37d7bd5c1
hex182fd1128af

1662103136431 has 8 divisors (see below), whose sum is σ = 1662709829904. Its totient is φ = 1661496552960.

The previous prime is 1662103136429. The next prime is 1662103136497. The reversal of 1662103136431 is 1346313012661.

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

It is a cyclic number.

It is not a de Polignac number, because 1662103136431 - 21 = 1662103136429 is a prime.

It is a super-2 number, since 2×16621031364312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662103134431) 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, 40242511 + ... + 40283791.

It is an arithmetic number, because the mean of its divisors is an integer number (207838728738).

Almost surely, 21662103136431 is an apocalyptic number.

1662103136431 is a deficient number, since it is larger than the sum of its proper divisors (606693473).

1662103136431 is an equidigital number, since it uses as much as digits as its factorization.

1662103136431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55001.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 1662103136431 in words is "one trillion, six hundred sixty-two billion, one hundred three million, one hundred thirty-six thousand, four hundred thirty-one".

Divisors: 1 4253 9467 41281 40263151 175568093 390807227 1662103136431