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10911012100 = 2252257457929
BaseRepresentation
bin10100010100101100…
…01101010100000100
31001011101222211210021
422022112031110010
5134321204341400
65002404504524
7534246033622
oct121226152404
931141884707
1010911012100
114699a8897a
1221460ab144
13104b66b2a1
14757148512
1543cd6271a
hex28a58d504

10911012100 has 72 divisors (see below), whose sum is σ = 23846676840. Its totient is φ = 4333240320.

The previous prime is 10911012043. The next prime is 10911012107. The reversal of 10911012100 is 121011901.

It can be written as a sum of positive squares in 12 ways, for example, as 1098524736 + 9812487364 = 33144^2 + 99058^2 .

It is not an unprimeable number, because it can be changed into a prime (10911012107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11744436 + ... + 11745364.

It is an arithmetic number, because the mean of its divisors is an integer number (331203845).

Almost surely, 210911012100 is an apocalyptic number.

10911012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10911012100 is an abundant number, since it is smaller than the sum of its proper divisors (12935664740).

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

10911012100 is a wasteful number, since it uses less digits than its factorization.

10911012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 10911012100 in words is "ten billion, nine hundred eleven million, twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 257 457 514 914 929 1028 1285 1828 1858 2285 2570 3716 4570 4645 5140 6425 9140 9290 11425 12850 18580 22850 23225 25700 45700 46450 92900 117449 234898 238753 424553 469796 477506 587245 849106 955012 1174490 1193765 1698212 2122765 2348980 2387530 2936225 4245530 4775060 5872450 5968825 8491060 10613825 11744900 11937650 21227650 23875300 42455300 109110121 218220242 436440484 545550605 1091101210 2182202420 2727753025 5455506050 10911012100