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142493279425 = 5272335402057
BaseRepresentation
bin1000010010110101000…
…0101110010011000001
3111121210121020121010121
42010231100232103001
54313311234420200
6145243245300241
713203054614350
oct2045520562301
9447717217117
10142493279425
1155481817952
1223748864681
131058b2aa473
146c7a80d997
153a8ea70e1a
hex212d42e4c1

142493279425 has 24 divisors (see below), whose sum is σ = 210713049216. Its totient is φ = 93461427840.

The previous prime is 142493279407. The next prime is 142493279483. The reversal of 142493279425 is 524972394241.

It is not a de Polignac number, because 142493279425 - 29 = 142493278913 is a prime.

It is a super-2 number, since 2×1424932794252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17697004 + ... + 17705053.

It is an arithmetic number, because the mean of its divisors is an integer number (8779710384).

Almost surely, 2142493279425 is an apocalyptic number.

It is an amenable number.

142493279425 is a deficient number, since it is larger than the sum of its proper divisors (68219769791).

142493279425 is a wasteful number, since it uses less digits than its factorization.

142493279425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35402097 (or 35402092 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The spelling of 142493279425 in words is "one hundred forty-two billion, four hundred ninety-three million, two hundred seventy-nine thousand, four hundred twenty-five".

Divisors: 1 5 7 23 25 35 115 161 175 575 805 4025 35402057 177010285 247814399 814247311 885051425 1239071995 4071236555 5699731177 6195359975 20356182775 28498655885 142493279425