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101110211020 = 22571355555061
BaseRepresentation
bin101111000101010100…
…0110110000111001100
3100122222112200220110101
41132022220312013030
53124033203223040
6114241022420444
710206414420220
oct1361250660714
9318875626411
10101110211020
1139976095075
1217719731724
1396c4827040
144c7269a780
15296b93b09a
hex178aa361cc

101110211020 has 48 divisors (see below), whose sum is σ = 261331011648. Its totient is φ = 31999714560.

The previous prime is 101110211003. The next prime is 101110211039. The reversal of 101110211020 is 20112011101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101110210988 and 101110211006.

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, 27775711 + ... + 27779350.

It is an arithmetic number, because the mean of its divisors is an integer number (5444396076).

Almost surely, 2101110211020 is an apocalyptic number.

101110211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101110211020 is an abundant number, since it is smaller than the sum of its proper divisors (160220800628).

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

101110211020 is a wasteful number, since it uses less digits than its factorization.

101110211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55555090 (or 55555088 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101110211020 its reverse (20112011101), we get a palindrome (121222222121).

The spelling of 101110211020 in words is "one hundred one billion, one hundred ten million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 55555061 111110122 222220244 277775305 388885427 555550610 722215793 777770854 1111101220 1444431586 1555541708 1944427135 2888863172 3611078965 3888854270 5055510551 7222157930 7777708540 10111021102 14444315860 20222042204 25277552755 50555105510 101110211020