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1350816620 = 225434013917
BaseRepresentation
bin101000010000011…
…1101001101101100
310111010210121001012
41100200331031230
510231302112440
6342012404352
745321515606
oct12040751554
93433717035
101350816620
1163355657a
123184766b8
13186b1ac9a
14cb58c176
157d8cbe65
hex5083d36c

1350816620 has 48 divisors (see below), whose sum is σ = 2910666528. Its totient is φ = 526310400.

The previous prime is 1350816581. The next prime is 1350816629. The reversal of 1350816620 is 266180531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1350816629) 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, 342902 + ... + 346818.

It is an arithmetic number, because the mean of its divisors is an integer number (60638886).

Almost surely, 21350816620 is an apocalyptic number.

1350816620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1350816620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455333264).

1350816620 is an abundant number, since it is smaller than the sum of its proper divisors (1559849908).

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

1350816620 is a wasteful number, since it uses less digits than its factorization.

1350816620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1350816620 is about 36753.4572523457. The cubic root of 1350816620 is about 1105.4322531031.

The spelling of 1350816620 in words is "one billion, three hundred fifty million, eight hundred sixteen thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 401 430 802 860 1604 2005 3917 4010 7834 8020 15668 17243 19585 34486 39170 68972 78340 86215 168431 172430 336862 344860 673724 842155 1570717 1684310 3141434 3368620 6282868 7853585 15707170 31414340 67540831 135081662 270163324 337704155 675408310 1350816620