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1012837532989 = 67714291046933
BaseRepresentation
bin11101011110100011101…
…00100100010100111101
310120211022101111200002211
432233101310210110331
5113043242402023424
62053142515220421
7133114025660632
oct16572164442475
93524271450084
101012837532989
113605a6423497
121443652a7711
1374682ac4bc9
14370433a0189
151b52d7c4b94
hexebd1d2453d

1012837532989 has 8 divisors (see below), whose sum is σ = 1015044390360. Its totient is φ = 1010632773696.

The previous prime is 1012837532957. The next prime is 1012837532999. The reversal of 1012837532989 is 9892357382101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 498354107364 + 514483425625 = 705942^2 + 717275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012837532989 - 25 = 1012837532957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012837532909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443967 + ... + 1490899.

It is an arithmetic number, because the mean of its divisors is an integer number (126880548795).

Almost surely, 21012837532989 is an apocalyptic number.

It is an amenable number.

1012837532989 is a deficient number, since it is larger than the sum of its proper divisors (2206857371).

1012837532989 is a wasteful number, since it uses less digits than its factorization.

1012837532989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049039.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 1012837532989 in words is "one trillion, twelve billion, eight hundred thirty-seven million, five hundred thirty-two thousand, nine hundred eighty-nine".

Divisors: 1 677 1429 967433 1046933 708773641 1496067257 1012837532989