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10122220000 = 25541015011
BaseRepresentation
bin10010110110101010…
…01101000111100000
3222010102202001110001
421123111031013200
5131212242020000
64352230145344
7505560310324
oct113325150740
928112661401
1010122220000
114324802782
121b65ab2254
13c541109b9
146c0499984
153e39a146a
hex25b54d1e0

10122220000 has 120 divisors (see below), whose sum is σ = 25153754472. Its totient is φ = 4008000000.

The previous prime is 10122219997. The next prime is 10122220063. The reversal of 10122220000 is 2222101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2017495 + ... + 2022505.

Almost surely, 210122220000 is an apocalyptic number.

10122220000 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 10122220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12576877236).

10122220000 is an abundant number, since it is smaller than the sum of its proper divisors (15031534472).

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

10122220000 is an equidigital number, since it uses as much as digits as its factorization.

10122220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142 (or 5119 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10122220000 its reverse (2222101), we get a palindrome (10124442101).

The spelling of 10122220000 in words is "ten billion, one hundred twenty-two million, two hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 101 125 160 200 202 250 400 404 500 505 625 800 808 1000 1010 1250 1616 2000 2020 2500 2525 3232 4000 4040 5000 5011 5050 8080 10000 10022 10100 12625 16160 20000 20044 20200 25055 25250 40088 40400 50110 50500 63125 80176 80800 100220 101000 125275 126250 160352 200440 202000 250550 252500 400880 404000 501100 505000 506111 626375 801760 1002200 1010000 1012222 1252750 2004400 2020000 2024444 2505500 2530555 3131875 4008800 4048888 5011000 5061110 6263750 8097776 10022000 10122220 12527500 12652775 16195552 20044000 20244440 25055000 25305550 40488880 50110000 50611100 63263875 80977760 100220000 101222200 126527750 202444400 253055500 316319375 404888800 506111000 632638750 1012222000 1265277500 2024444000 2530555000 5061110000 10122220000