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42897698426 = 21122912316917
BaseRepresentation
bin100111111100111001…
…101110111001111010
311002201121120212110102
4213330321232321322
51200323302322201
631412410315402
73046021264112
oct477471567172
9132647525412
1042897698426
11172136a5830
128392428b62
1340784c880b
14210d384042
1511b10be26b
hex9fce6ee7a

42897698426 has 32 divisors (see below), whose sum is σ = 70570241280. Its totient is φ = 19395230400.

The previous prime is 42897698423. The next prime is 42897698477. The reversal of 42897698426 is 62489679824.

It is not an unprimeable number, because it can be changed into a prime (42897698423) 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, 6198320 + ... + 6205236.

It is an arithmetic number, because the mean of its divisors is an integer number (2205320040).

Almost surely, 242897698426 is an apocalyptic number.

42897698426 is a deficient number, since it is larger than the sum of its proper divisors (27672542854).

42897698426 is a wasteful number, since it uses less digits than its factorization.

42897698426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390.

The product of its digits is 83607552, while the sum is 65.

The spelling of 42897698426 in words is "forty-two billion, eight hundred ninety-seven million, six hundred ninety-eight thousand, four hundred twenty-six".

Divisors: 1 2 11 22 229 458 1231 2462 2519 5038 6917 13541 13834 27082 76087 152174 281899 563798 1583993 3100889 3167986 6201778 8514827 17029654 17423923 34847846 93663097 187326194 1949895383 3899790766 21448849213 42897698426