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1012103130 = 235181186391
BaseRepresentation
bin111100010100110…
…111011111011010
32121112110011111010
4330110313133122
54033044300010
6244232514350
734036506663
oct7424673732
92545404433
101012103130
1147a340075
12242b4b9b6
131318b70bc
14985bc36a
155dcc2620
hex3c5377da

1012103130 has 32 divisors (see below), whose sum is σ = 2442480768. Its totient is φ = 268401600.

The previous prime is 1012103129. The next prime is 1012103167. The reversal of 1012103130 is 313012101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87766 + ... + 98625.

It is an arithmetic number, because the mean of its divisors is an integer number (76327524).

Almost surely, 21012103130 is an apocalyptic number.

1012103130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012103130 is an abundant number, since it is smaller than the sum of its proper divisors (1430377638).

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

1012103130 is a wasteful number, since it uses less digits than its factorization.

1012103130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186582.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1012103130 is about 31813.5683317669. The cubic root of 1012103130 is about 1004.0182090368.

Adding to 1012103130 its reverse (313012101), we get a palindrome (1325115231).

The spelling of 1012103130 in words is "one billion, twelve million, one hundred three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 181 362 543 905 1086 1810 2715 5430 186391 372782 559173 931955 1118346 1863910 2795865 5591730 33736771 67473542 101210313 168683855 202420626 337367710 506051565 1012103130