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42630273841 = 2324721912
BaseRepresentation
bin100111101100111101…
…100101101100110001
311002000222101021220011
4213230331211230301
51144301322230331
631330054414521
73036263230441
oct475475455461
9132028337804
1042630273841
1117096750781
128318961441
134034c9500c
1420c5a50121
1511978973b1
hex9ecf65b31

42630273841 has 27 divisors (see below), whose sum is σ = 45772341433. Its totient is φ = 39700243880.

The previous prime is 42630273827. The next prime is 42630273863. The reversal of 42630273841 is 14837203624.

It is a happy number.

The square root of 42630273841 is 206471.

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

It is not a de Polignac number, because 42630273841 - 25 = 42630273809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42630273794 and 42630273803.

It is not an unprimeable number, because it can be changed into a prime (42630273811) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 223195056 + ... + 223195246.

Almost surely, 242630273841 is an apocalyptic number.

42630273841 is the 206471-st square number.

42630273841 is the 103236-th centered octagonal number.

It is an amenable number.

42630273841 is a deficient number, since it is larger than the sum of its proper divisors (3142067592).

42630273841 is an frugal number, since it uses more digits than its factorization.

42630273841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 42630273841 in words is "forty-two billion, six hundred thirty million, two hundred seventy-three thousand, eight hundred forty-one".

Divisors: 1 23 47 191 529 1081 2209 4393 8977 24863 36481 50807 101039 206471 421919 839063 1168561 1714607 4748833 9704137 19298449 39435961 80586529 223195151 907027103 1853490167 42630273841