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1201003310020 = 2251657254314251
BaseRepresentation
bin10001011110100001011…
…000000010101111000100
311020210222222121112120211
4101132201120002233010
5124134123321410040
62315422221005204
7152524660461103
oct21364130025704
94223888545524
101201003310020
11423385070828
121749196b3804
138933c413687
14421b389803a
1521392d228ea
hex117a1602bc4

1201003310020 has 48 divisors (see below), whose sum is σ = 2524798579968. Its totient is φ = 479888928000.

The previous prime is 1201003310009. The next prime is 1201003310041. The reversal of 1201003310020 is 200133001021.

It is an unprimeable number.

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, 84267895 + ... + 84282145.

It is an arithmetic number, because the mean of its divisors is an integer number (52599970416).

Almost surely, 21201003310020 is an apocalyptic number.

1201003310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201003310020 is an abundant number, since it is smaller than the sum of its proper divisors (1323795269948).

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

1201003310020 is a wasteful number, since it uses less digits than its factorization.

1201003310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18460 (or 18458 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1201003310020 its reverse (200133001021), we get a palindrome (1401136311041).

The spelling of 1201003310020 in words is "one trillion, two hundred one billion, three million, three hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 1657 2543 3314 5086 6628 8285 10172 12715 14251 16570 25430 28502 33140 50860 57004 71255 142510 285020 4213751 8427502 16855004 21068755 23613907 36240293 42137510 47227814 72480586 84275020 94455628 118069535 144961172 181201465 236139070 362402930 472278140 724805860 60050165501 120100331002 240200662004 300250827505 600501655010 1201003310020