Search a number
-
+
102012222212020 = 22534925515729099
BaseRepresentation
bin10111001100011110010010…
…010001001000011110110100
3111101012021101011102002012001
4113030132102101020132310
5101332332012341241040
61000543433512105044
730326065651552441
oct2714362221103664
9441167334362161
10102012222212020
112a56015aa9282a
12b53679a995184
1344bc9328a5323
141b295bca049c8
15bbd88a7b359a
hex5cc7924487b4

102012222212020 has 48 divisors (see below), whose sum is σ = 214923749040000. Its totient is φ = 40672012521600.

The previous prime is 102012222211967. The next prime is 102012222212027. The reversal of 102012222212020 is 20212222210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012222212027) 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, 14941431 + ... + 20670529.

It is an arithmetic number, because the mean of its divisors is an integer number (4477578105000).

Almost surely, 2102012222212020 is an apocalyptic number.

102012222212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012222212020 is an abundant number, since it is smaller than the sum of its proper divisors (112911526827980).

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

102012222212020 is a wasteful number, since it uses less digits than its factorization.

102012222212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732008 (or 5732006 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102012222212020 its reverse (20212222210201), we get a palindrome (122224444422221).

The spelling of 102012222212020 in words is "one hundred two trillion, twelve billion, two hundred twenty-two million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 349 698 1396 1745 2551 3490 5102 6980 10204 12755 25510 51020 890299 1780598 3561196 4451495 5729099 8902990 11458198 17805980 22916396 28645495 57290990 114581980 1999455551 3998911102 7997822204 9997277755 14614931549 19994555510 29229863098 39989111020 58459726196 73074657745 146149315490 292298630980 5100611110601 10201222221202 20402444442404 25503055553005 51006111106010 102012222212020