Search a number
-
+
2061270015 = 35722804449
BaseRepresentation
bin111101011011100…
…0111101111111111
312022122122100212220
41322313013233333
513210141120030
6540312100423
7102036335400
oct17267075777
95278570786
102061270015
11968595742
12496394713
1326b07a3cc
14157a879a7
15c0e66a10
hex7adc7bff

2061270015 has 24 divisors (see below), whose sum is σ = 3836487600. Its totient is φ = 942294528.

The previous prime is 2061270007. The next prime is 2061270017. The reversal of 2061270015 is 5100721602.

It is not a de Polignac number, because 2061270015 - 23 = 2061270007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061270017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1401490 + ... + 1402959.

It is an arithmetic number, because the mean of its divisors is an integer number (159853650).

Almost surely, 22061270015 is an apocalyptic number.

2061270015 is a deficient number, since it is larger than the sum of its proper divisors (1775217585).

2061270015 is a wasteful number, since it uses less digits than its factorization.

2061270015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804471 (or 2804464 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 2061270015 is about 45401.2116027755. The cubic root of 2061270015 is about 1272.6577559379.

Adding to 2061270015 its reverse (5100721602), we get a palindrome (7161991617).

The spelling of 2061270015 in words is "two billion, sixty-one million, two hundred seventy thousand, fifteen".

Divisors: 1 3 5 7 15 21 35 49 105 147 245 735 2804449 8413347 14022245 19631143 42066735 58893429 98155715 137418001 294467145 412254003 687090005 2061270015