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1240130344928 = 25116423332873
BaseRepresentation
bin10010000010111101100…
…001110101011111100000
311101112222211000212002212
4102002331201311133200
5130304241332014203
62345412533101252
7155411405002136
oct22027541653740
94345884025085
101240130344928
11438a33282212
12180419187828
138cc36676a37
1444046145756
15223d2d6d1d8
hex120bd8757e0

1240130344928 has 24 divisors (see below), whose sum is σ = 2441534922288. Its totient is φ = 620057983744.

The previous prime is 1240130344877. The next prime is 1240130344933. The reversal of 1240130344928 is 8294430310421.

It is a super-2 number, since 2×12401303449282 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 3559100 + ... + 3891972.

It is an arithmetic number, because the mean of its divisors is an integer number (101730621762).

Almost surely, 21240130344928 is an apocalyptic number.

It is an amenable number.

1240130344928 is a deficient number, since it is larger than the sum of its proper divisors (1201404577360).

1240130344928 is a wasteful number, since it uses less digits than its factorization.

1240130344928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449306 (or 449298 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 1240130344928 in words is "one trillion, two hundred forty billion, one hundred thirty million, three hundred forty-four thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 116423 232846 332873 465692 665746 931384 1331492 1862768 2662984 3725536 5325968 10651936 38754073279 77508146558 155016293116 310032586232 620065172464 1240130344928