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4021030061 = 29433224563
BaseRepresentation
bin1110111110101100…
…0000110010101101
3101101020021111021022
43233223000302231
531213340430221
61503000343525
7201434122466
oct35753006255
911336244238
104021030061
111783848444
12942774ba5
134c10a5939
142a2069d6d
1518802b4ab
hexefac0cad

4021030061 has 8 divisors (see below), whose sum is σ = 4256424480. Its totient is φ = 3792084912.

The previous prime is 4021030033. The next prime is 4021030073. The reversal of 4021030061 is 1600301204.

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

It is a cyclic number.

It is not a de Polignac number, because 4021030061 - 26 = 4021029997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021030031) 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, 1611035 + ... + 1613528.

It is an arithmetic number, because the mean of its divisors is an integer number (532053060).

Almost surely, 24021030061 is an apocalyptic number.

It is an amenable number.

4021030061 is a deficient number, since it is larger than the sum of its proper divisors (235394419).

4021030061 is a wasteful number, since it uses less digits than its factorization.

4021030061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224635.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4021030061 is about 63411.5924811860. The cubic root of 4021030061 is about 1590.1781192278.

Adding to 4021030061 its reverse (1600301204), we get a palindrome (5621331265).

The spelling of 4021030061 in words is "four billion, twenty-one million, thirty thousand, sixty-one".

Divisors: 1 29 43 1247 3224563 93512327 138656209 4021030061