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142605000023 = 1973102815429
BaseRepresentation
bin1000010011001111101…
…0111001110101010111
3111122002101110120222112
42010303322321311113
54314023340000043
6145302320021235
713205612333363
oct2046372716527
9448071416875
10142605000023
1155529894222
122377a16181b
13105a8495a25
146c8b5b22a3
153a9978d518
hex2133eb9d57

142605000023 has 8 divisors (see below), whose sum is σ = 152166836400. Its totient is φ = 133248794688.

The previous prime is 142604999969. The next prime is 142605000037. The reversal of 142605000023 is 320000506241.

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

It is a cyclic number.

It is not a de Polignac number, because 142605000023 - 210 = 142604998999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142605000323) 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, 51406328 + ... + 51409101.

It is an arithmetic number, because the mean of its divisors is an integer number (19020854550).

Almost surely, 2142605000023 is an apocalyptic number.

142605000023 is a deficient number, since it is larger than the sum of its proper divisors (9561836377).

142605000023 is a wasteful number, since it uses less digits than its factorization.

142605000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102815521.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 142605000023 its reverse (320000506241), we get a palindrome (462605506264).

The spelling of 142605000023 in words is "one hundred forty-two billion, six hundred five million, twenty-three", and thus it is an aban number.

Divisors: 1 19 73 1387 102815429 1953493151 7505526317 142605000023