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101020212000100 = 22521010202120001
BaseRepresentation
bin10110111110000010011001…
…110110011111010101100100
3111020200102211021011221111001
4112332002121312133111210
5101220103343233000400
6554504013354323044
730164320012102261
oct2676023166372544
9436612737157431
10101020212000100
112a20848209a988
12b3b6488729484
13444a21b9b5753
141ad3593768268
15ba2b7a6cba6a
hex5be099d9f564

101020212000100 has 18 divisors (see below), whose sum is σ = 219213860040434. Its totient is φ = 40408084800000.

The previous prime is 101020212000067. The next prime is 101020212000101. The reversal of 101020212000100 is 1000212020101.

It can be written as a sum of positive squares in 3 ways, for example, as 35891793432576 + 65128418567524 = 5990976^2 + 8070218^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (101020212000101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505101059901 + ... + 505101060100.

Almost surely, 2101020212000100 is an apocalyptic number.

101020212000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020212000100 is an abundant number, since it is smaller than the sum of its proper divisors (118193648040334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101020212000100 is a wasteful number, since it uses less digits than its factorization.

101020212000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010202120015 (or 1010202120008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101020212000100 its reverse (1000212020101), we get a palindrome (102020424020201).

The spelling of 101020212000100 in words is "one hundred one trillion, twenty billion, two hundred twelve million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 25 50 100 1010202120001 2020404240002 4040808480004 5051010600005 10102021200010 20204042400020 25255053000025 50510106000050 101020212000100