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10144332220 = 2251183954959
BaseRepresentation
bin10010111001010011…
…00011100110111100
3222011222100110201011
421130221203212330
5131233422112340
64354340125004
7506246254411
oct113451434674
928158313634
1010144332220
114336235a40
121b71396764
13c58883659
146c33b4108
153e58bd0ea
hex25ca639bc

10144332220 has 48 divisors (see below), whose sum is σ = 23267865600. Its totient is φ = 3684384320.

The previous prime is 10144332203. The next prime is 10144332301. The reversal of 10144332220 is 2223344101.

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 = 10144332191 and 10144332200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157101 + ... + 212059.

It is an arithmetic number, because the mean of its divisors is an integer number (484747200).

Almost surely, 210144332220 is an apocalyptic number.

10144332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10144332220 is an abundant number, since it is smaller than the sum of its proper divisors (13123533380).

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

10144332220 is a wasteful number, since it uses less digits than its factorization.

10144332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55818 (or 55816 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 10144332220 its reverse (2223344101), we get a palindrome (12367676321).

The spelling of 10144332220 in words is "ten billion, one hundred forty-four million, three hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 839 1678 3356 4195 8390 9229 16780 18458 36916 46145 54959 92290 109918 184580 219836 274795 549590 604549 1099180 1209098 2418196 3022745 6045490 12090980 46110601 92221202 184442404 230553005 461106010 507216611 922212020 1014433222 2028866444 2536083055 5072166110 10144332220