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1203220130 = 25717188859
BaseRepresentation
bin100011110110111…
…1010111010100010
310002212001220201112
41013231322322202
54431011021010
6315221103322
741550126260
oct10755727242
93085056645
101203220130
11568206102
12296b57b42
13162381098
14b5b2b430
1570974a05
hex47b7aea2

1203220130 has 16 divisors (see below), whose sum is σ = 2475195840. Its totient is φ = 412532592.

The previous prime is 1203220129. The next prime is 1203220133. The reversal of 1203220130 is 310223021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1203220133) 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, 8594360 + ... + 8594499.

It is an arithmetic number, because the mean of its divisors is an integer number (154699740).

Almost surely, 21203220130 is an apocalyptic number.

1203220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1203220130 is an abundant number, since it is smaller than the sum of its proper divisors (1271975710).

1203220130 is a wasteful number, since it uses less digits than its factorization.

1203220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17188873.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1203220130 is about 34687.4635855665. The cubic root of 1203220130 is about 1063.6082476469.

Adding to 1203220130 its reverse (310223021), we get a palindrome (1513443151).

The spelling of 1203220130 in words is "one billion, two hundred three million, two hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 17188859 34377718 85944295 120322013 171888590 240644026 601610065 1203220130