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3111001423420 = 2251194291149971
BaseRepresentation
bin101101010001010110001…
…000100111111000111100
3102000102001001000211111111
4231101112020213320330
5401432312331022140
610341101353131404
7440522341534252
oct55212610477074
912012031024444
103111001423420
11a9a406222050
12422b240b9b64
1319749b644b37
14aa8050b85d2
1555dce6ee7ea
hex2d456227e3c

3111001423420 has 48 divisors (see below), whose sum is σ = 7127144551296. Its totient is φ = 1131253704000.

The previous prime is 3111001423403. The next prime is 3111001423429. The reversal of 3111001423420 is 243241001113.

3111001423420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×31110014234202 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3111001423391 and 3111001423400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111001423429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20669035 + ... + 20819005.

It is an arithmetic number, because the mean of its divisors is an integer number (148482178152).

Almost surely, 23111001423420 is an apocalyptic number.

It is an amenable number.

3111001423420 is an abundant number, since it is smaller than the sum of its proper divisors (4016143127876).

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

3111001423420 is a wasteful number, since it uses less digits than its factorization.

3111001423420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244282 (or 244280 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 3111001423420 its reverse (243241001113), we get a palindrome (3354242424533).

The spelling of 3111001423420 in words is "three trillion, one hundred eleven billion, one million, four hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 94291 149971 188582 299942 377164 471455 599884 749855 942910 1037201 1499710 1649681 1885820 2074402 2999420 3299362 4148804 5186005 6598724 8248405 10372010 16496810 20744020 32993620 14140915561 28281831122 56563662244 70704577805 141409155610 155550071171 282818311220 311100142342 622200284684 777750355855 1555500711710 3111001423420