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7480738120 = 235187018453
BaseRepresentation
bin1101111011110001…
…10000000101001000
3201022100022212111211
412331320300011020
5110310032104440
63234150102504
7353244140062
oct67570600510
921270285454
107480738120
1131997552a9
12154934aa34
13922aa587b
1450d73a732
152dbb29eea
hex1bde30148

7480738120 has 16 divisors (see below), whose sum is σ = 16831660860. Its totient is φ = 2992295232.

The previous prime is 7480738117. The next prime is 7480738147. The reversal of 7480738120 is 218370847.

It can be written as a sum of positive squares in 2 ways, for example, as 7439752516 + 40985604 = 86254^2 + 6402^2 .

It is a super-2 number, since 2×74807381202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 187018453 = 7480738120 / (7 + 4 + 8 + 0 + 7 + 3 + 8 + 1 + 2 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93509187 + ... + 93509266.

Almost surely, 27480738120 is an apocalyptic number.

It is an amenable number.

7480738120 is an abundant number, since it is smaller than the sum of its proper divisors (9350922740).

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

7480738120 is a wasteful number, since it uses less digits than its factorization.

7480738120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187018464 (or 187018460 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 7480738120 is about 86491.2603677389. The cubic root of 7480738120 is about 1955.7566570669.

The spelling of 7480738120 in words is "seven billion, four hundred eighty million, seven hundred thirty-eight thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 187018453 374036906 748073812 935092265 1496147624 1870184530 3740369060 7480738120