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142552220205 = 3546120614927
BaseRepresentation
bin1000010011000011000…
…1100100001000101101
3111121221201011002200110
42010300301210020231
54313421332021310
6145253152450233
713204401610353
oct2046061441055
9447851132613
10142552220205
1155502014a3a
1223764549979
131059a576275
146c845937d3
153a94d14d20
hex2130c6422d

142552220205 has 16 divisors (see below), whose sum is σ = 228578321664. Its totient is φ = 75862927680.

The previous prime is 142552220093. The next prime is 142552220243. The reversal of 142552220205 is 502022255241.

It is not a de Polignac number, because 142552220205 - 27 = 142552220077 is a prime.

It is a super-2 number, since 2×1425522202052 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10300549 + ... + 10314378.

It is an arithmetic number, because the mean of its divisors is an integer number (14286145104).

Almost surely, 2142552220205 is an apocalyptic number.

142552220205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142552220205 is a deficient number, since it is larger than the sum of its proper divisors (86026101459).

142552220205 is a wasteful number, since it uses less digits than its factorization.

142552220205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20615396.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 142552220205 its reverse (502022255241), we get a palindrome (644574475446).

The spelling of 142552220205 in words is "one hundred forty-two billion, five hundred fifty-two million, two hundred twenty thousand, two hundred five".

Divisors: 1 3 5 15 461 1383 2305 6915 20614927 61844781 103074635 309223905 9503481347 28510444041 47517406735 142552220205