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2154304024422 = 23111912491375457
BaseRepresentation
bin11111010110010110100…
…001101010111101100110
321121221122011002110101120
4133112112201222331212
5240244003312240142
64325401255434410
7311433443033334
oct37262641527546
97557564073346
102154304024422
117606a9506210
122a9628085a06
131281c4711a34
14763a9ad4b54
153b0898887ec
hex1f59686af66

2154304024422 has 64 divisors (see below), whose sum is σ = 4951648800000. Its totient is φ = 617964871680.

The previous prime is 2154304024393. The next prime is 2154304024451. The reversal of 2154304024422 is 2244204034512.

It is an interprime number because it is at equal distance from previous prime (2154304024393) and next prime (2154304024451).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 878518 + ... + 2253974.

It is an arithmetic number, because the mean of its divisors is an integer number (77369512500).

Almost surely, 22154304024422 is an apocalyptic number.

2154304024422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2154304024422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2475824400000).

2154304024422 is an abundant number, since it is smaller than the sum of its proper divisors (2797344775578).

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

2154304024422 is a wasteful number, since it uses less digits than its factorization.

2154304024422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376741.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 2154304024422 its reverse (2244204034512), we get a palindrome (4398508058934).

The spelling of 2154304024422 in words is "two trillion, one hundred fifty-four billion, three hundred four million, twenty-four thousand, four hundred twenty-two".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 418 627 1249 1254 2498 3747 7494 13739 23731 27478 41217 47462 71193 82434 142386 261041 522082 783123 1375457 1566246 2750914 4126371 8252742 15130027 26133683 30260054 45390081 52267366 78401049 90780162 156802098 287470513 574941026 862411539 1717945793 1724823078 3435891586 5153837379 10307674758 18897403723 32640970067 37794807446 56692211169 65281940134 97922910201 113384422338 195845820402 359050670737 718101341474 1077152012211 2154304024422