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20484060312 = 23353107150503
BaseRepresentation
bin10011000100111100…
…011111010010011000
31221212120101002011110
4103010330133102120
5313422404412222
613224340300320
71323420432312
oct230474372230
957776332143
1020484060312
118761799771
123b780a16a0
131c15a6b761
14dc46cc7b2
157ed4d630c
hex4c4f1f498

20484060312 has 64 divisors (see below), whose sum is σ = 52664359680. Its totient is φ = 6636536192.

The previous prime is 20484060253. The next prime is 20484060313. The reversal of 20484060312 is 21306048402.

It is a self number, because there is not a number n which added to its sum of digits gives 20484060312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20484060313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60853 + ... + 211355.

It is an arithmetic number, because the mean of its divisors is an integer number (822880620).

Almost surely, 220484060312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20484060312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26332179840).

20484060312 is an abundant number, since it is smaller than the sum of its proper divisors (32180299368).

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

20484060312 is a wasteful number, since it uses less digits than its factorization.

20484060312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150672 (or 150668 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 20484060312 in words is "twenty billion, four hundred eighty-four million, sixty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 53 106 107 159 212 214 318 321 424 428 636 642 856 1272 1284 2568 5671 11342 17013 22684 34026 45368 68052 136104 150503 301006 451509 602012 903018 1204024 1806036 3612072 7976659 15953318 16103821 23929977 31906636 32207642 47859954 48311463 63813272 64415284 95719908 96622926 128830568 191439816 193245852 386491704 853502513 1707005026 2560507539 3414010052 5121015078 6828020104 10242030156 20484060312