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3031212000100 = 225230312120001
BaseRepresentation
bin101100000111000010010…
…100001000001101100100
3101201210002101011011101211
4230013002110020031210
5344130410233000400
610240304121001204
7431666154610654
oct54070224101544
911653071134354
103031212000100
11a69591172389
1240b576923204
1318cac402b50b
14a69d62b6364
1553cae978dba
hex2c1c2508364

3031212000100 has 18 divisors (see below), whose sum is σ = 6577730040434. Its totient is φ = 1212484800000.

The previous prime is 3031212000079. The next prime is 3031212000107. The reversal of 3031212000100 is 10002121303.

It can be written as a sum of positive squares in 3 ways, for example, as 37073191936 + 2994138808164 = 192544^2 + 1730358^2 .

It is not an unprimeable number, because it can be changed into a prime (3031212000107) 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, 15156059901 + ... + 15156060100.

Almost surely, 23031212000100 is an apocalyptic number.

It is an amenable number.

3031212000100 is an abundant number, since it is smaller than the sum of its proper divisors (3546518040334).

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

3031212000100 is a wasteful number, since it uses less digits than its factorization.

3031212000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30312120015 (or 30312120008 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 3031212000100 its reverse (10002121303), we get a palindrome (3041214121403).

The spelling of 3031212000100 in words is "three trillion, thirty-one billion, two hundred twelve million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 25 50 100 30312120001 60624240002 121248480004 151560600005 303121200010 606242400020 757803000025 1515606000050 3031212000100