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1060990128 = 2432111731241
BaseRepresentation
bin111111001111010…
…110110010110000
32201221102212211200
4333033112302300
54133103141003
6253140411200
735202160452
oct7717266260
92657385750
101060990128
114a49a0650
122573a6b00
1313ba72a13
14a0ca62d2
156322c6a3
hex3f3d6cb0

1060990128 has 360 divisors, whose sum is σ = 3630423888. Its totient is φ = 285696000.

The previous prime is 1060990123. The next prime is 1060990157. The reversal of 1060990128 is 8210990601.

It is a super-2 number, since 2×10609901282 = 2251400103426912768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1060990092 and 1060990101.

It is not an unprimeable number, because it can be changed into a prime (1060990121) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25877788 + ... + 25877828.

Almost surely, 21060990128 is an apocalyptic number.

1060990128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1060990128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815211944).

1060990128 is an abundant number, since it is smaller than the sum of its proper divisors (2569433760).

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

1060990128 is a wasteful number, since it uses less digits than its factorization.

1060990128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 1060990128 is about 32572.8434128800. The cubic root of 1060990128 is about 1019.9301913008.

The spelling of 1060990128 in words is "one billion, sixty million, nine hundred ninety thousand, one hundred twenty-eight".