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542173026129 = 3725817763149
BaseRepresentation
bin1111110001111000000…
…01111101011101010001
31220211102222012102012020
413320330001331131101
532340332243314004
61053023145322053
754112360453320
oct7707401753521
91824388172166
10542173026129
11199a305a21a9
12890b0796329
133c1854791c7
141c35424a0b7
15e1832a98d9
hex7e3c07d751

542173026129 has 8 divisors (see below), whose sum is σ = 826168420800. Its totient is φ = 309813157776.

The previous prime is 542173026107. The next prime is 542173026149. The reversal of 542173026129 is 921620371245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542173026129 - 25 = 542173026097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542173026149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12908881554 + ... + 12908881595.

It is an arithmetic number, because the mean of its divisors is an integer number (103271052600).

Almost surely, 2542173026129 is an apocalyptic number.

It is an amenable number.

542173026129 is a deficient number, since it is larger than the sum of its proper divisors (283995394671).

542173026129 is a wasteful number, since it uses less digits than its factorization.

542173026129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25817763159.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 542173026129 in words is "five hundred forty-two billion, one hundred seventy-three million, twenty-six thousand, one hundred twenty-nine".

Divisors: 1 3 7 21 25817763149 77453289447 180724342043 542173026129