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1241130021 = 31916321589
BaseRepresentation
bin100100111111010…
…0010010000100101
310012111101221022120
41021332202100211
510020212130041
6323053420153
742520300605
oct11176422045
93174357276
101241130021
1158764939a
122a779a659
1316a195481
14bab98c05
1573e62366
hex49fa2425

1241130021 has 8 divisors (see below), whose sum is σ = 1655003040. Its totient is φ = 827338512.

The previous prime is 1241129977. The next prime is 1241130031. The reversal of 1241130021 is 1200311421.

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

It is not a de Polignac number, because 1241130021 - 218 = 1240867877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241130031) 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, 46695 + ... + 68283.

It is an arithmetic number, because the mean of its divisors is an integer number (206875380).

Almost surely, 21241130021 is an apocalyptic number.

It is an amenable number.

1241130021 is a deficient number, since it is larger than the sum of its proper divisors (413873019).

1241130021 is a wasteful number, since it uses less digits than its factorization.

1241130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40755.

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

The square root of 1241130021 is about 35229.6752894488. The cubic root of 1241130021 is about 1074.6633222941.

Adding to 1241130021 its reverse (1200311421), we get a palindrome (2441441442).

The spelling of 1241130021 in words is "one billion, two hundred forty-one million, one hundred thirty thousand, twenty-one".

Divisors: 1 3 19163 21589 57489 64767 413710007 1241130021