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142618388151 = 3152723311279
BaseRepresentation
bin1000010011010010110…
…1111110011010110111
3111122010022122210001010
42010310231332122313
54314040301410101
6145303515003303
713206134204001
oct2046455763267
9448108583033
10142618388151
11555363a8998
1223782739533
13105ab1a27b5
146c8d299371
153a9aa352d6
hex2134b7e6b7

142618388151 has 8 divisors (see below), whose sum is σ = 190159706880. Its totient is φ = 95077997432.

The previous prime is 142618388141. The next prime is 142618388191. The reversal of 142618388151 is 151883816241.

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 142618388151 - 225 = 142584833719 is a prime.

It is a super-4 number, since 4×1426183881514 (a number of 46 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142618388151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142618388131) 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, 302530 + ... + 613808.

It is an arithmetic number, because the mean of its divisors is an integer number (23769963360).

Almost surely, 2142618388151 is an apocalyptic number.

142618388151 is a deficient number, since it is larger than the sum of its proper divisors (47541318729).

142618388151 is a wasteful number, since it uses less digits than its factorization.

142618388151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464005.

The product of its digits is 368640, while the sum is 48.

The spelling of 142618388151 in words is "one hundred forty-two billion, six hundred eighteen million, three hundred eighty-eight thousand, one hundred fifty-one".

Divisors: 1 3 152723 311279 458169 933837 47539462717 142618388151