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15114132220 = 22511371856773
BaseRepresentation
bin11100001001101111…
…10101101011111100
31110000022220110122211
432010313311223330
5221423204212340
610535432150204
71043354001265
oct160467655374
943008813584
1015114132220
116456596270
122b19838364
13156b39a205
14a3545396c
155d6d5b5ea
hex384df5afc

15114132220 has 48 divisors (see below), whose sum is σ = 35560935648. Its totient is φ = 5347503360.

The previous prime is 15114132203. The next prime is 15114132227. The reversal of 15114132220 is 2223141151.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 15114132191 and 15114132200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15114132227) 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, 920247 + ... + 936526.

It is an arithmetic number, because the mean of its divisors is an integer number (740852826).

Almost surely, 215114132220 is an apocalyptic number.

15114132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15114132220 is an abundant number, since it is smaller than the sum of its proper divisors (20446803428).

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

15114132220 is a wasteful number, since it uses less digits than its factorization.

15114132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856830 (or 1856828 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 15114132220 its reverse (2223141151), we get a palindrome (17337273371).

The spelling of 15114132220 in words is "fifteen billion, one hundred fourteen million, one hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 37 44 55 74 110 148 185 220 370 407 740 814 1628 2035 4070 8140 1856773 3713546 7427092 9283865 18567730 20424503 37135460 40849006 68700601 81698012 102122515 137401202 204245030 274802404 343503005 408490060 687006010 755706611 1374012020 1511413222 3022826444 3778533055 7557066110 15114132220