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22420023453 = 351729316037
BaseRepresentation
bin10100111000010101…
…100110100010011101
32010212111020012100000
4110320111212202131
5331404011222303
614144414524513
71422406024602
oct247025464235
963774205300
1022420023453
119565578503
124418506739
132163b84589
1411298786a9
158b3449da3
hex53856689d

22420023453 has 96 divisors (see below), whose sum is σ = 37978536960. Its totient is φ = 13142062080.

The previous prime is 22420023433. The next prime is 22420023469. The reversal of 22420023453 is 35432002422.

It is a happy number.

22420023453 is a `hidden beast` number, since 2 + 2 + 4 + 200 + 2 + 3 + 453 = 666.

It is not a de Polignac number, because 22420023453 - 233 = 13830088861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420023433) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 3710751 + ... + 3716787.

It is an arithmetic number, because the mean of its divisors is an integer number (395609760).

Almost surely, 222420023453 is an apocalyptic number.

It is an amenable number.

22420023453 is a deficient number, since it is larger than the sum of its proper divisors (15558513507).

22420023453 is a wasteful number, since it uses less digits than its factorization.

22420023453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129 (or 6117 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 22420023453 its reverse (35432002422), we get a palindrome (57852025875).

The spelling of 22420023453 in words is "twenty-two billion, four hundred twenty million, twenty-three thousand, four hundred fifty-three".

Divisors: 1 3 9 17 27 29 31 51 81 87 93 153 243 261 279 459 493 527 783 837 899 1377 1479 1581 2349 2511 2697 4131 4437 4743 6037 7047 7533 8091 13311 14229 15283 18111 24273 39933 42687 45849 54333 72819 102629 119799 128061 137547 162999 175073 187147 218457 307887 412641 488997 525219 561441 923661 1237923 1466991 1575657 1684323 2770983 2976241 3181499 3713769 4726971 5052969 5427263 8312949 8928723 9544497 14180913 15158907 16281789 24938847 26786169 28633491 42542739 45476721 48845367 80358507 85900473 92263471 146536101 241075521 257701419 276790413 439608303 723226563 773104257 830371239 1318824909 2491113717 7473341151 22420023453