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1072770020 = 2257194383113
BaseRepresentation
bin111111111100010…
…010101111100100
32202202121100210222
4333330102233210
54144112120040
6254241103512
735404252250
oct7774225744
92682540728
101072770020
11500606aa3
1225b327b98
1314133877a
14a2691260
15642a7bb5
hex3ff12be4

1072770020 has 192 divisors, whose sum is σ = 2831431680. Its totient is φ = 333268992.

The previous prime is 1072770019. The next prime is 1072770073. The reversal of 1072770020 is 200772701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9493484 + ... + 9493596.

It is an arithmetic number, because the mean of its divisors is an integer number (14747040).

Almost surely, 21072770020 is an apocalyptic number.

1072770020 is a gapful number since it is divisible by the number (10) 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 1072770020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415715840).

1072770020 is an abundant number, since it is smaller than the sum of its proper divisors (1758661660).

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

1072770020 is a wasteful number, since it uses less digits than its factorization.

1072770020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 1072770020 is about 32753.1680910412. The cubic root of 1072770020 is about 1023.6909785815.

The spelling of 1072770020 in words is "one billion, seventy-two million, seven hundred seventy thousand, twenty".