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74849074320 = 2435311871143
BaseRepresentation
bin100010110110101011…
…0100011110010010000
321011012100201221022210
41011231112203302100
52211242330334240
654215111232120
75256554430366
oct1055526436220
9234170657283
1074849074320
112981a395409
121260a978640
13709ac41bb7
1438a0a2b636
151e311a3780
hex116d5a3c90

74849074320 has 40 divisors (see below), whose sum is σ = 232032131136. Its totient is φ = 19959753088.

The previous prime is 74849074319. The next prime is 74849074331. The reversal of 74849074320 is 2347094847.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 74849074320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155935332 + ... + 155935811.

Almost surely, 274849074320 is an apocalyptic number.

It is an amenable number.

74849074320 is an abundant number, since it is smaller than the sum of its proper divisors (157183056816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74849074320 is a wasteful number, since it uses less digits than its factorization.

74849074320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311871159 (or 311871153 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 74849074320 in words is "seventy-four billion, eight hundred forty-nine million, seventy-four thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 311871143 623742286 935613429 1247484572 1559355715 1871226858 2494969144 3118711430 3742453716 4678067145 4989938288 6237422860 7484907432 9356134290 12474845720 14969814864 18712268580 24949691440 37424537160 74849074320