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1242101130 = 23541403371
BaseRepresentation
bin100101000001000…
…1111010110001010
310012120020021102120
41022002033112022
510020434214010
6323130312110
742531454044
oct11202172612
93176207376
101242101130
11588151a66
122a7b88636
1316a4454aa
14bad6ca94
15740a4e70
hex4a08f58a

1242101130 has 16 divisors (see below), whose sum is σ = 2981042784. Its totient is φ = 331226960.

The previous prime is 1242101123. The next prime is 1242101143. The reversal of 1242101130 is 311012421.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 7 ways as a sum of consecutive naturals, for example, 20701656 + ... + 20701715.

It is an arithmetic number, because the mean of its divisors is an integer number (186315174).

Almost surely, 21242101130 is an apocalyptic number.

1242101130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242101130 is an abundant number, since it is smaller than the sum of its proper divisors (1738941654).

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

1242101130 is a wasteful number, since it uses less digits than its factorization.

1242101130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41403381.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1242101130 is about 35243.4551370889. The cubic root of 1242101130 is about 1074.9435355235.

Adding to 1242101130 its reverse (311012421), we get a palindrome (1553113551).

The spelling of 1242101130 in words is "one billion, two hundred forty-two million, one hundred one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41403371 82806742 124210113 207016855 248420226 414033710 621050565 1242101130