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42631302641 = 3113911938293
BaseRepresentation
bin100111101101000001…
…100000110111110001
311002001001022120010212
4213231001200313301
51144302103141031
631330132433505
73036305044034
oct475501406761
9132031276125
1042631302641
1117097293724
128319178895
134035265385
1420c5c3b01b
1511979ec12b
hex9ed060df1

42631302641 has 16 divisors (see below), whose sum is σ = 44365601280. Its totient is φ = 40920024960.

The previous prime is 42631302619. The next prime is 42631302643. The reversal of 42631302641 is 14620313624.

42631302641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42631302641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42631302598 and 42631302607.

It is not an unprimeable number, because it can be changed into a prime (42631302643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5136491 + ... + 5144783.

It is an arithmetic number, because the mean of its divisors is an integer number (2772850080).

Almost surely, 242631302641 is an apocalyptic number.

It is an amenable number.

42631302641 is a deficient number, since it is larger than the sum of its proper divisors (1734298639).

42631302641 is a wasteful number, since it uses less digits than its factorization.

42631302641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9656.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 42631302641 in words is "forty-two billion, six hundred thirty-one million, three hundred two thousand, six hundred forty-one".

Divisors: 1 31 139 1193 4309 8293 36983 165827 257083 1152727 5140637 9893549 35734537 306700019 1375203311 42631302641