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1318962141952 = 28713831733943
BaseRepresentation
bin10011001100011000010…
…001010001101100000000
311200002110201222001212221
4103030120101101230000
5133102213302020302
62445531200100424
7164202053140150
oct23143021215400
94602421861787
101318962141952
11469406820094
12193759904714
13974ba76b290
1447ba3aaa760
15244989d2937
hex13318451b00

1318962141952 has 288 divisors, whose sum is σ = 3299167484928. Its totient is φ = 512390873088.

The previous prime is 1318962141941. The next prime is 1318962141989. The reversal of 1318962141952 is 2591412698131.

It is a super-2 number, since 2×13189621419522 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 1318962141952.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334505293 + ... + 334509235.

It is an arithmetic number, because the mean of its divisors is an integer number (11455442656).

Almost surely, 21318962141952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1318962141952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649583742464).

1318962141952 is an abundant number, since it is smaller than the sum of its proper divisors (1980205342976).

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

1318962141952 is a wasteful number, since it uses less digits than its factorization.

1318962141952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235 (or 4221 counting only the distinct ones).

The product of its digits is 933120, while the sum is 52.

The spelling of 1318962141952 in words is "one trillion, three hundred eighteen billion, nine hundred sixty-two million, one hundred forty-one thousand, nine hundred fifty-two".