Search a number
-
+
22203155455420 = 2253527931467949
BaseRepresentation
bin1010000110001100100110…
…01100011001110110111100
32220121121020002010210012111
411003012103030121312330
510402234030244033140
6115115553325343404
74451060614300312
oct503062314316674
986547202123174
1022203155455420
11709033a468415
1225a7153a07b64
13c5099680a854
1456a8d1d000b2
1528784d3377ea
hex143193319dbc

22203155455420 has 24 divisors (see below), whose sum is σ = 46627949592000. Its totient is φ = 8881010156352.

The previous prime is 22203155455363. The next prime is 22203155455447. The reversal of 22203155455420 is 2455455130222.

It is a super-2 number, since 2×222031554554202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15028395 + ... + 16439554.

It is an arithmetic number, because the mean of its divisors is an integer number (1942831233000).

Almost surely, 222203155455420 is an apocalyptic number.

22203155455420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22203155455420 is an abundant number, since it is smaller than the sum of its proper divisors (24424794136580).

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

22203155455420 is a wasteful number, since it uses less digits than its factorization.

22203155455420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31503237 (or 31503235 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 22203155455420 in words is "twenty-two trillion, two hundred three billion, one hundred fifty-five million, four hundred fifty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 35279 70558 141116 176395 352790 705580 31467949 62935898 125871796 157339745 314679490 629358980 1110157772771 2220315545542 4440631091084 5550788863855 11101577727710 22203155455420