Search a number
-
+
74442208742 = 21128382914423
BaseRepresentation
bin100010101010100011…
…0011111010111100110
321010011000011000200022
41011111012133113212
52204424201134432
654110454515142
75243514222356
oct1052506372746
9233130130608
1074442208742
1129630760270
1212516665ab2
137034868635
14386299ab66
151e0a5d5b12
hex115519f5e6

74442208742 has 32 divisors (see below), whose sum is σ = 122400910080. Its totient is φ = 33674793120.

The previous prime is 74442208699. The next prime is 74442208777. The reversal of 74442208742 is 24780224447.

It is a junction number, because it is equal to n+sod(n) for n = 74442208693 and 74442208702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5154143 + ... + 5168565.

It is an arithmetic number, because the mean of its divisors is an integer number (3825028440).

Almost surely, 274442208742 is an apocalyptic number.

74442208742 is a deficient number, since it is larger than the sum of its proper divisors (47958701338).

74442208742 is a wasteful number, since it uses less digits than its factorization.

74442208742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15548.

The product of its (nonzero) digits is 802816, while the sum is 44.

The spelling of 74442208742 in words is "seventy-four billion, four hundred forty-two million, two hundred eight thousand, seven hundred forty-two".

Divisors: 1 2 11 22 283 566 829 1658 3113 6226 9119 14423 18238 28846 158653 234607 317306 469214 2580677 4081709 5161354 8163418 11956667 23913334 44898799 89797598 131523337 263046674 3383736761 6767473522 37221104371 74442208742