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11100401420 = 225864164231
BaseRepresentation
bin10100101011010001…
…01010111100001100
31001122121100211002112
422111220222330030
5140213200321140
65033252043152
7542035566233
oct122550527414
931577324075
1011100401420
114786983979
1221996034b8
13107b97ba84
14774367b1a
1544e7c2c65
hex295a2af0c

11100401420 has 24 divisors (see below), whose sum is σ = 23313903648. Its totient is φ = 4439577600.

The previous prime is 11100401393. The next prime is 11100401441. The reversal of 11100401420 is 2410400111.

It is a super-3 number, since 3×111004014203 (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11100401395 and 11100401404.

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, 140705 + ... + 204935.

It is an arithmetic number, because the mean of its divisors is an integer number (971412652).

Almost surely, 211100401420 is an apocalyptic number.

11100401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100401420 is an abundant number, since it is smaller than the sum of its proper divisors (12213502228).

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

11100401420 is a wasteful number, since it uses less digits than its factorization.

11100401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72881 (or 72879 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11100401420 its reverse (2410400111), we get a palindrome (13510801531).

The spelling of 11100401420 in words is "eleven billion, one hundred million, four hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 8641 17282 34564 43205 64231 86410 128462 172820 256924 321155 642310 1284620 555020071 1110040142 2220080284 2775100355 5550200710 11100401420