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1072180700 = 225210721807
BaseRepresentation
bin111111111010000…
…010110111011100
32202201111102102022
4333322002313130
54143434240300
6254220315312
735366246153
oct7772026734
92681442368
101072180700
11500244258
1225b0a2b38
13141190466
14a257a59a
15641dd285
hex3fe82ddc

1072180700 has 18 divisors (see below), whose sum is σ = 2326632336. Its totient is φ = 428872240.

The previous prime is 1072180691. The next prime is 1072180723. The reversal of 1072180700 is 70812701.

It is a super-2 number, since 2×10721807002 = 2299142906904980000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1072180700.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 5360804 + ... + 5361003.

It is an arithmetic number, because the mean of its divisors is an integer number (129257352).

Almost surely, 21072180700 is an apocalyptic number.

1072180700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072180700 is an abundant number, since it is smaller than the sum of its proper divisors (1254451636).

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

1072180700 is a wasteful number, since it uses less digits than its factorization.

1072180700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721821 (or 10721814 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 1072180700 is about 32744.1704735362. The cubic root of 1072180700 is about 1023.5034913414.

The spelling of 1072180700 in words is "one billion, seventy-two million, one hundred eighty thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 10721807 21443614 42887228 53609035 107218070 214436140 268045175 536090350 1072180700