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11568020420 = 22511198333343
BaseRepresentation
bin10101100011000000…
…11111101111000100
31002212012021022202202
422301200133233010
5142142403123140
65151514454032
7556444360025
oct126140375704
932765238682
1011568020420
1149a6933a60
1222aa134318
1311248071c8
147ba4d0c4c
1547a891915
hex2b181fbc4

11568020420 has 96 divisors (see below), whose sum is σ = 28233031680. Its totient is φ = 3937023360.

The previous prime is 11568020411. The next prime is 11568020441. The reversal of 11568020420 is 2402086511.

11568020420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330269 + ... + 363611.

It is an arithmetic number, because the mean of its divisors is an integer number (294094080).

Almost surely, 211568020420 is an apocalyptic number.

11568020420 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 11568020420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14116515840).

11568020420 is an abundant number, since it is smaller than the sum of its proper divisors (16665011260).

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

11568020420 is a wasteful number, since it uses less digits than its factorization.

11568020420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33465 (or 33463 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 11568020420 in words is "eleven billion, five hundred sixty-eight million, twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 83 95 110 166 190 209 220 332 380 415 418 830 836 913 1045 1577 1660 1826 2090 3154 3652 4180 4565 6308 7885 9130 15770 17347 18260 31540 33343 34694 66686 69388 86735 133372 166715 173470 333430 346940 366773 633517 666860 733546 1267034 1467092 1833865 2534068 2767469 3167585 3667730 5534938 6335170 6968687 7335460 11069876 12670340 13837345 13937374 27674690 27874748 30442159 34843435 52581911 55349380 60884318 69686870 105163822 121768636 139373740 152210795 210327644 262909555 304421590 525819110 578401021 608843180 1051638220 1156802042 2313604084 2892005105 5784010210 11568020420