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1220000310032 = 24729212952271
BaseRepresentation
bin10001110000001101101…
…011110110001100010000
311022122000220211010111212
4101300031223312030100
5124442030034410112
62332243240355252
7154066513350560
oct21601553661420
94278026733455
101220000310032
11430443408039
1217853b775b28
138b07907079a
1443096890da0
1521b059b8522
hex11c0daf6310

1220000310032 has 60 divisors (see below), whose sum is σ = 2797794370176. Its totient is φ = 504827675520.

The previous prime is 1220000310029. The next prime is 1220000310049. The reversal of 1220000310032 is 2300130000221.

It is a happy number.

It is a super-2 number, since 2×12200003100322 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1220000309989 and 1220000310016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6381944 + ... + 6570327.

Almost surely, 21220000310032 is an apocalyptic number.

It is an amenable number.

1220000310032 is an abundant number, since it is smaller than the sum of its proper divisors (1577794060144).

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

1220000310032 is a wasteful number, since it uses less digits than its factorization.

1220000310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12952344 (or 12952309 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1220000310032 its reverse (2300130000221), we get a palindrome (3520130310253).

The spelling of 1220000310032 in words is "one trillion, two hundred twenty billion, three hundred ten thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 28 29 56 58 112 116 203 232 406 464 812 841 1624 1682 3248 3364 5887 6728 11774 13456 23548 47096 94192 12952271 25904542 51809084 90665897 103618168 181331794 207236336 362663588 375615859 725327176 751231718 1450654352 1502463436 2629311013 3004926872 5258622026 6009853744 10517244052 10892859911 21034488104 21785719822 42068976208 43571439644 76250019377 87142879288 152500038754 174285758576 305000077508 610000155016 1220000310032