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142002708121 = 733595418503
BaseRepresentation
bin1000010001000000000…
…1010101111010011001
3111120112102010222211001
42010100001111322121
54311310143124441
6145122442505001
713154650050331
oct2042001257231
9446472128731
10142002708121
115524a91041a
1223630505161
1310510776ba1
146c315d00c1
153a6196b731
hex2110055e99

142002708121 has 8 divisors (see below), whose sum is σ = 144348946560. Its totient is φ = 139667307552.

The previous prime is 142002708119. The next prime is 142002708257. The reversal of 142002708121 is 121807200241.

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 142002708121 - 21 = 142002708119 is a prime.

It is a super-2 number, since 2×1420027081212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142002708121.

It is not an unprimeable number, because it can be changed into a prime (142002708521) 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, 2683045 + ... + 2735458.

It is an arithmetic number, because the mean of its divisors is an integer number (18043618320).

Almost surely, 2142002708121 is an apocalyptic number.

It is an amenable number.

142002708121 is a deficient number, since it is larger than the sum of its proper divisors (2346238439).

142002708121 is an equidigital number, since it uses as much as digits as its factorization.

142002708121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418935.

The product of its (nonzero) digits is 1792, while the sum is 28.

Adding to 142002708121 its reverse (121807200241), we get a palindrome (263809908362).

The spelling of 142002708121 in words is "one hundred forty-two billion, two million, seven hundred eight thousand, one hundred twenty-one".

Divisors: 1 73 359 26207 5418503 395550719 1945242577 142002708121