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1402311001021 = 71719620217161
BaseRepresentation
bin10100011010000000001…
…111111100001110111101
311222001121110112210220021
4110122000033330032331
5140433413104013041
62552113543252141
7203212400560240
oct24320017741675
94861543483807
101402311001021
114a0798002597
121a793b14a051
13a23116313b8
144bc2d4dd257
1526725ea5cd1
hex146803fc3bd

1402311001021 has 16 divisors (see below), whose sum is σ = 1786225426560. Its totient is φ = 1071735252480.

The previous prime is 1402311001009. The next prime is 1402311001031. The reversal of 1402311001021 is 1201001132041.

It is a cyclic number.

It is not a de Polignac number, because 1402311001021 - 231 = 1400163517373 is a prime.

It is a super-3 number, since 3×14023110010213 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1402311000986 and 1402311001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402311001031) 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, 310106320 + ... + 310110841.

It is an arithmetic number, because the mean of its divisors is an integer number (111639089160).

Almost surely, 21402311001021 is an apocalyptic number.

It is an amenable number.

1402311001021 is a deficient number, since it is larger than the sum of its proper divisors (383914425539).

1402311001021 is a wasteful number, since it uses less digits than its factorization.

1402311001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620217204.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1402311001021 its reverse (1201001132041), we get a palindrome (2603312133062).

The spelling of 1402311001021 in words is "one trillion, four hundred two billion, three hundred eleven million, one thousand, twenty-one".

Divisors: 1 7 17 19 119 133 323 2261 620217161 4341520127 10543691737 11784126059 73805842159 82488882413 200330143003 1402311001021