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427696498780 = 225531073770909
BaseRepresentation
bin1100011100101001011…
…00101010100001011100
31111212221220102021201221
412032110230222201130
524001410300430110
6524251524143124
742620501153605
oct6162454524134
91455856367657
10427696498780
11155426583911
126aa82837aa4
1331440703765
14169b470adac
15b1d31ad7da
hex6394b2a85c

427696498780 has 48 divisors (see below), whose sum is σ = 923661779040. Its totient is φ = 166281959168.

The previous prime is 427696498777. The next prime is 427696498787. The reversal of 427696498780 is 87894696724.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427696498787) 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, 1772035 + ... + 1998874.

It is an arithmetic number, because the mean of its divisors is an integer number (19242953730).

Almost surely, 2427696498780 is an apocalyptic number.

It is an amenable number.

427696498780 is an abundant number, since it is smaller than the sum of its proper divisors (495965280260).

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

427696498780 is a wasteful number, since it uses less digits than its factorization.

427696498780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771078 (or 3771076 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 70.

The spelling of 427696498780 in words is "four hundred twenty-seven billion, six hundred ninety-six million, four hundred ninety-eight thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 53 106 107 212 214 265 428 530 535 1060 1070 2140 5671 11342 22684 28355 56710 113420 3770909 7541818 15083636 18854545 37709090 75418180 199858177 399716354 403487263 799432708 806974526 999290885 1613949052 1998581770 2017436315 3997163540 4034872630 8069745260 21384824939 42769649878 85539299756 106924124695 213848249390 427696498780