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1202030140 = 225232613109
BaseRepresentation
bin100011110100101…
…1000011000111100
310002202211110100211
41013221120120330
54430204431030
6315135402204
741534042023
oct10751303074
93082743324
101202030140
11567573043
12296683364
1316205554c
14b58db8ba
15707dc12a
hex47a5863c

1202030140 has 24 divisors (see below), whose sum is σ = 2634014880. Its totient is φ = 459907008.

The previous prime is 1202030131. The next prime is 1202030147. The reversal of 1202030140 is 410302021.

1202030140 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1202030140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202030147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306095 + ... + 1307014.

It is an arithmetic number, because the mean of its divisors is an integer number (109750620).

Almost surely, 21202030140 is an apocalyptic number.

1202030140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202030140 is an abundant number, since it is smaller than the sum of its proper divisors (1431984740).

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

1202030140 is a wasteful number, since it uses less digits than its factorization.

1202030140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613141 (or 2613139 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1202030140 is about 34670.3063153471. The cubic root of 1202030140 is about 1063.2574942445.

Adding to 1202030140 its reverse (410302021), we get a palindrome (1612332161).

The spelling of 1202030140 in words is "one billion, two hundred two million, thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 2613109 5226218 10452436 13065545 26131090 52262180 60101507 120203014 240406028 300507535 601015070 1202030140