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11214032420 = 22525113731627
BaseRepresentation
bin10100111000110100…
…01000111000100100
31001221112011212112002
422130122020320210
5140431243014140
65052431344432
7544615463033
oct123432107044
931845155462
1011214032420
114835035598
12220b682118
131099385a56
147854a671a
1545976b415
hex29c688e24

11214032420 has 48 divisors (see below), whose sum is σ = 23675053248. Its totient is φ = 4461744000.

The previous prime is 11214032419. The next prime is 11214032429. The reversal of 11214032420 is 2423041211.

It is a super-2 number, since 2×112140324202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11214032392 and 11214032401.

It is not an unprimeable number, because it can be changed into a prime (11214032429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6891647 + ... + 6893273.

It is an arithmetic number, because the mean of its divisors is an integer number (493230276).

Almost surely, 211214032420 is an apocalyptic number.

11214032420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11214032420 is an abundant number, since it is smaller than the sum of its proper divisors (12461020828).

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

11214032420 is a wasteful number, since it uses less digits than its factorization.

11214032420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260 (or 3258 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11214032420 its reverse (2423041211), we get a palindrome (13637073631).

The spelling of 11214032420 in words is "eleven billion, two hundred fourteen million, thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 251 502 1004 1255 1373 1627 2510 2746 3254 5020 5492 6508 6865 8135 13730 16270 27460 32540 344623 408377 689246 816754 1378492 1633508 1723115 2041885 2233871 3446230 4083770 4467742 6892460 8167540 8935484 11169355 22338710 44677420 560701621 1121403242 2242806484 2803508105 5607016210 11214032420