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10122020020001 = 171069556981237
BaseRepresentation
bin1001001101001011011101…
…1010000101111100100001
31022211122200222102111211102
42103102313122011330201
52311314344111120001
633305554121324145
72063202043402661
oct223226732057441
938748628374742
1010122020020001
1132527a746a05a
121175870036655
1358566b9a94a6
1426dca08621a1
1512846c412e6b
hex934b7685f21

10122020020001 has 8 divisors (see below), whose sum is σ = 10727458643880. Its totient is φ = 9517695360768.

The previous prime is 10122020019971. The next prime is 10122020020003. The reversal of 10122020020001 is 10002002022101.

It is a happy number.

10122020020001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1918515861025 + 8203504158976 = 1385105^2 + 2864176^2 .

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 10122020020001 - 214 = 10122020003617 is a prime.

It is a super-3 number, since 3×101220200200013 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10122020020003) 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, 278472446 + ... + 278508791.

It is an arithmetic number, because the mean of its divisors is an integer number (1340932330485).

Almost surely, 210122020020001 is an apocalyptic number.

It is an amenable number.

10122020020001 is a deficient number, since it is larger than the sum of its proper divisors (605438623879).

10122020020001 is a wasteful number, since it uses less digits than its factorization.

10122020020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556982323.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10122020020001 its reverse (10002002022101), we get a palindrome (20124022042102).

The spelling of 10122020020001 in words is "ten trillion, one hundred twenty-two billion, twenty million, twenty thousand, one".

Divisors: 1 17 1069 18173 556981237 9468681029 595412942353 10122020020001