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21022133040430 = 2520815821173543
BaseRepresentation
bin1001100011110100110001…
…10001011011010100101110
32202102200210121002212202221
410301322120301123110232
510223411312024243210
6112413233512305554
74266541024352404
oct461723061332456
982380717085687
1021022133040430
116775489067885
1224362919a22ba
13b964bcb42bb2
14529695d97474
15266c7975a1da
hex131e98c5b52e

21022133040430 has 32 divisors (see below), whose sum is σ = 37864744843968. Its totient is φ = 8403320140800.

The previous prime is 21022133040409. The next prime is 21022133040449. The reversal of 21022133040430 is 3404033122012.

It is a junction number, because it is equal to n+sod(n) for n = 21022133040395 and 21022133040404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121048239 + ... + 121221781.

It is an arithmetic number, because the mean of its divisors is an integer number (1183273276374).

Almost surely, 221022133040430 is an apocalyptic number.

21022133040430 is a deficient number, since it is larger than the sum of its proper divisors (16842611803538).

21022133040430 is a wasteful number, since it uses less digits than its factorization.

21022133040430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181452.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21022133040430 its reverse (3404033122012), we get a palindrome (24426166162442).

The spelling of 21022133040430 in words is "twenty-one trillion, twenty-two billion, one hundred thirty-three million, forty thousand, four hundred thirty".

Divisors: 1 2 5 10 2081 4162 5821 10405 11642 20810 29105 58210 173543 347086 867715 1735430 12113501 24227002 60567505 121135010 361142983 722285966 1010193803 1805714915 2020387606 3611429830 5050969015 10101938030 2102213304043 4204426608086 10511066520215 21022133040430