Search a number
-
+
61269841227 = 372416801641
BaseRepresentation
bin111001000011111101…
…111001010101001011
312212011000000102102210
4321003331321111023
52000440034404402
644051425200203
74266216025500
oct710375712513
9185130012383
1061269841227
1123a91256621
12ba5b190063
135a15865b2a
142d733a34a7
1518d8e8706c
hexe43f7954b

61269841227 has 12 divisors (see below), whose sum is σ = 95030774376. Its totient is φ = 35011337760.

The previous prime is 61269841201. The next prime is 61269841231. The reversal of 61269841227 is 72214896216.

It is not a de Polignac number, because 61269841227 - 26 = 61269841163 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (61269841267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208400674 + ... + 208400967.

It is an arithmetic number, because the mean of its divisors is an integer number (7919231198).

Almost surely, 261269841227 is an apocalyptic number.

61269841227 is a deficient number, since it is larger than the sum of its proper divisors (33760933149).

61269841227 is a wasteful number, since it uses less digits than its factorization.

61269841227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416801658 (or 416801651 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

It can be divided in two parts, 61269 and 841227, that added together give a triangular number (902496 = T1343).

The spelling of 61269841227 in words is "sixty-one billion, two hundred sixty-nine million, eight hundred forty-one thousand, two hundred twenty-seven".

Divisors: 1 3 7 21 49 147 416801641 1250404923 2917611487 8752834461 20423280409 61269841227