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42906047697073 = 1131117155318583
BaseRepresentation
bin10011100000101110101111…
…01110110101000010110001
312121220210000020100210021101
421300113113232311002301
521110433041202301243
6231130433255524401
712015600600644161
oct1160272756650261
9177823006323241
1042906047697073
1112742397404000
12498b590689701
131ac303b513ac2
14a849416185a1
154e614113154d
hex2705d7bb50b1

42906047697073 has 32 divisors (see below), whose sum is σ = 47268638307072. Its totient is φ = 38943388535040.

The previous prime is 42906047697059. The next prime is 42906047697083. The reversal of 42906047697073 is 37079674060924.

It is not a de Polignac number, because 42906047697073 - 229 = 42905510826161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42906047696996 and 42906047697014.

It is not an unprimeable number, because it can be changed into a prime (42906047697083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2308877740 + ... + 2308896322.

It is an arithmetic number, because the mean of its divisors is an integer number (1477144947096).

Almost surely, 242906047697073 is an apocalyptic number.

It is an amenable number.

42906047697073 is a deficient number, since it is larger than the sum of its proper divisors (4362590609999).

42906047697073 is a wasteful number, since it uses less digits than its factorization.

42906047697073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21286 (or 21264 counting only the distinct ones).

The product of its (nonzero) digits is 96018048, while the sum is 64.

The spelling of 42906047697073 in words is "forty-two trillion, nine hundred six billion, forty-seven million, six hundred ninety-seven thousand, seventy-three".

Divisors: 1 11 121 1117 1331 1553 12287 17083 18583 135157 187913 204413 1486727 1734701 2067043 2248543 19081711 20757211 24733973 28859399 209898821 228329321 317453389 2308887031 2511622531 3491987279 27627847841 32235948683 38411860069 354595435513 3900549790643 42906047697073