Search a number
-
+
1010201100220 = 2251326711454657
BaseRepresentation
bin11101011001101001010…
…11010111111110111100
310120120111122121000020201
432230310223113332330
5113022342440201340
62052025135253244
7132661503450004
oct16546453277674
93516448530221
101010201100220
1135a473204534
1214394a37a224
1374352837010
1436c73197004
151b4270e979a
hexeb34ad7fbc

1010201100220 has 48 divisors (see below), whose sum is σ = 2285465551488. Its totient is φ = 372857425920.

The previous prime is 1010201100211. The next prime is 1010201100269. The reversal of 1010201100220 is 220011020101.

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 = 1010201100197 and 1010201100206.

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, 32869 + ... + 1421788.

It is an arithmetic number, because the mean of its divisors is an integer number (47613865656).

Almost surely, 21010201100220 is an apocalyptic number.

1010201100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010201100220 is an abundant number, since it is smaller than the sum of its proper divisors (1275264451268).

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

1010201100220 is a wasteful number, since it uses less digits than its factorization.

1010201100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457350 (or 1457348 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1010201100220 its reverse (220011020101), we get a palindrome (1230212120321).

The spelling of 1010201100220 in words is "one trillion, ten billion, two hundred one million, one hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 2671 5342 10684 13355 26710 34723 53420 69446 138892 173615 347230 694460 1454657 2909314 5818628 7273285 14546570 18910541 29093140 37821082 75642164 94552705 189105410 378210820 3885388847 7770777694 15541555388 19426944235 38853888470 50510055011 77707776940 101020110022 202040220044 252550275055 505100550110 1010201100220