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3101021101312 = 2831212604957
BaseRepresentation
bin101101001000000011010…
…000101101110100000000
3101222110021111021221100221
4231020003100231310000
5401301342400220222
610332331152152424
7440020123310251
oct55100320556400
911873244257327
103101021101312
11a96154628362
12420bb9838714
1319656aa572b4
14aa1397d8b28
15559e842c0c7
hex2d20342dd00

3101021101312 has 54 divisors (see below), whose sum is σ = 6396045603234. Its totient is φ = 1500493962240.

The previous prime is 3101021101307. The next prime is 3101021101313. The reversal of 3101021101312 is 2131011201013.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2929903196416 + 171117904896 = 1711696^2 + 413664^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101021101313) 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, 6056463 + ... + 6548494.

Almost surely, 23101021101312 is an apocalyptic number.

3101021101312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3101021101312 is an abundant number, since it is smaller than the sum of its proper divisors (3295024501922).

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

3101021101312 is an equidigital number, since it uses as much as digits as its factorization.

3101021101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12605035 (or 12604990 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 3101021101312 its reverse (2131011201013), we get a palindrome (5232032302325).

The spelling of 3101021101312 in words is "three trillion, one hundred one billion, twenty-one million, one hundred one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 248 256 496 961 992 1922 1984 3844 3968 7688 7936 15376 30752 61504 123008 246016 12604957 25209914 50419828 100839656 201679312 390753667 403358624 781507334 806717248 1563014668 1613434496 3126029336 3226868992 6252058672 12113363677 12504117344 24226727354 25008234688 48453454708 50016469376 96906909416 100032938752 193813818832 387627637664 775255275328 1550510550656 3101021101312