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10212343113220 = 225736994755557
BaseRepresentation
bin1001010010011011111100…
…0101010110011000000100
31100011021211202021001112021
42110212333011112120010
52314304334314110340
633415252522532524
72102550245130163
oct224467705263004
940137752231467
1010212343113220
1132880374a7936
12118b279067144
13591034723891
142743cc6253da
1512a9a6d10e4a
hex949bf156604

10212343113220 has 24 divisors (see below), whose sum is σ = 21739700274264. Its totient is φ = 4028979200256.

The previous prime is 10212343113169. The next prime is 10212343113229. The reversal of 10212343113220 is 2231134321201.

It can be written as a sum of positive squares in 4 ways, for example, as 2440993767424 + 7771349345796 = 1562368^2 + 2787714^2 .

It is not an unprimeable number, because it can be changed into a prime (10212343113229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3497376319 + ... + 3497379238.

It is an arithmetic number, because the mean of its divisors is an integer number (905820844761).

Almost surely, 210212343113220 is an apocalyptic number.

10212343113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212343113220 is an abundant number, since it is smaller than the sum of its proper divisors (11527357161044).

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

10212343113220 is a wasteful number, since it uses less digits than its factorization.

10212343113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6994755639 (or 6994755637 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 10212343113220 its reverse (2231134321201), we get a palindrome (12443477434421).

The spelling of 10212343113220 in words is "ten trillion, two hundred twelve billion, three hundred forty-three million, one hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 6994755557 13989511114 27979022228 34973777785 69947555570 139895111140 510617155661 1021234311322 2042468622644 2553085778305 5106171556610 10212343113220