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10021211020123 = 73919876824611
BaseRepresentation
bin1001000111010011111010…
…1110010001101101011011
31022111000111102111201101021
42101310332232101231123
52303141420010120443
633151403014503311
72053002644135152
oct221647656215533
938430442451337
1010021211020123
113213a76406416
12115a217364b37
13578cc46b55c4
1426905a1b2599
15125a1c1749ed
hex91d3eb91b5b

10021211020123 has 8 divisors (see below), whose sum is σ = 10039823205440. Its totient is φ = 10002612489480.

The previous prime is 10021211020091. The next prime is 10021211020133. The reversal of 10021211020123 is 32102011212001.

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 10021211020123 - 25 = 10021211020091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021211020097 and 10021211020106.

It is not an unprimeable number, because it can be changed into a prime (10021211020133) 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, 1943913 + ... + 4880698.

It is an arithmetic number, because the mean of its divisors is an integer number (1254977900680).

Almost surely, 210021211020123 is an apocalyptic number.

10021211020123 is a deficient number, since it is larger than the sum of its proper divisors (18612185317).

10021211020123 is an equidigital number, since it uses as much as digits as its factorization.

10021211020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827337.

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

Adding to 10021211020123 its reverse (32102011212001), we get a palindrome (42123222232124).

The spelling of 10021211020123 in words is "ten trillion, twenty-one billion, two hundred eleven million, twenty thousand, one hundred twenty-three".

Divisors: 1 739 1987 1468393 6824611 5043387529 13560502057 10021211020123