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4031020100 = 225240310201
BaseRepresentation
bin1111000001000100…
…0111110001000100
3101101221002001000202
43300101013301010
531223420120400
61503554430032
7201615051122
oct36021076104
911357061022
104031020100
111789451078
12945b92318
134c3192ac3
142a350a912
15188d514d5
hexf0447c44

4031020100 has 18 divisors (see below), whose sum is σ = 8747313834. Its totient is φ = 1612408000.

The previous prime is 4031020061. The next prime is 4031020111. The reversal of 4031020100 is 10201304.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1438988356 + 2592031744 = 37934^2 + 50912^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20155001 + ... + 20155200.

Almost surely, 24031020100 is an apocalyptic number.

It is an amenable number.

4031020100 is an abundant number, since it is smaller than the sum of its proper divisors (4716293734).

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

4031020100 is a wasteful number, since it uses less digits than its factorization.

4031020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40310215 (or 40310208 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 4031020100 is about 63490.3150094564. The cubic root of 4031020100 is about 1591.4939349421.

Adding to 4031020100 its reverse (10201304), we get a palindrome (4041221404).

The spelling of 4031020100 in words is "four billion, thirty-one million, twenty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 40310201 80620402 161240804 201551005 403102010 806204020 1007755025 2015510050 4031020100