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10142440130 = 251014244013
BaseRepresentation
bin10010111001000100…
…10101101011000010
3222011211210100020202
421130202111223002
5131232431041010
64354231405202
7506224214204
oct113442255302
928154710222
1010142440130
114335163429
121b70823802
13c58370384
146c3040774
153e56476a5
hex25c895ac2

10142440130 has 8 divisors (see below), whose sum is σ = 18256392252. Its totient is φ = 4056976048.

The previous prime is 10142440129. The next prime is 10142440169. The reversal of 10142440130 is 3104424101.

It can be written as a sum of positive squares in 2 ways, for example, as 9768752569 + 373687561 = 98837^2 + 19331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507121997 + ... + 507122016.

Almost surely, 210142440130 is an apocalyptic number.

10142440130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10142440130 is a deficient number, since it is larger than the sum of its proper divisors (8113952122).

10142440130 is a wasteful number, since it uses less digits than its factorization.

10142440130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014244020.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10142440130 its reverse (3104424101), we get a palindrome (13246864231).

The spelling of 10142440130 in words is "ten billion, one hundred forty-two million, four hundred forty thousand, one hundred thirty".

Divisors: 1 2 5 10 1014244013 2028488026 5071220065 10142440130