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142402443001 = 7132953960759
BaseRepresentation
bin1000010010011111011…
…0001101011011111001
3111121120021022121222121
42010213312031123321
54313120011134001
6145230242321241
713200602536210
oct2044766153371
9447507277877
10142402443001
1155435515125
1223722359221
13105755248c0
146c6c726077
153a86acb6a1
hex2127d8d6f9

142402443001 has 16 divisors (see below), whose sum is σ = 181308153600. Its totient is φ = 108784888128.

The previous prime is 142402442993. The next prime is 142402443091. The reversal of 142402443001 is 100344204241.

It is not a de Polignac number, because 142402443001 - 23 = 142402442993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142402443091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26977741 + ... + 26983018.

It is an arithmetic number, because the mean of its divisors is an integer number (11331759600).

Almost surely, 2142402443001 is an apocalyptic number.

It is an amenable number.

142402443001 is a deficient number, since it is larger than the sum of its proper divisors (38905710599).

142402443001 is a wasteful number, since it uses less digits than its factorization.

142402443001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53960808.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 142402443001 its reverse (100344204241), we get a palindrome (242746647242).

The spelling of 142402443001 in words is "one hundred forty-two billion, four hundred two million, four hundred forty-three thousand, one".

Divisors: 1 7 13 29 91 203 377 2639 53960759 377725313 701489867 1564862011 4910429069 10954034077 20343206143 142402443001