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2102232215460 = 2235132695169507
BaseRepresentation
bin11110100101110110110…
…011011110111110100100
321102222020011210111011110
4132211312303132332210
5233420332421343320
64245430244105020
7304611162666246
oct36456663367644
97388204714143
102102232215460
1174060830a453
1229b515395170
13123316674960
1473a6a176096
1539a3d1995e0
hex1e976cdefa4

2102232215460 has 48 divisors (see below), whose sum is σ = 6339038682816. Its totient is φ = 517472545152.

The previous prime is 2102232215459. The next prime is 2102232215471. The reversal of 2102232215460 is 645122322012.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1347583974 + ... + 1347585533.

It is an arithmetic number, because the mean of its divisors is an integer number (132063305892).

Almost surely, 22102232215460 is an apocalyptic number.

2102232215460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102232215460 is an abundant number, since it is smaller than the sum of its proper divisors (4236806467356).

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

2102232215460 is a wasteful number, since it uses less digits than its factorization.

2102232215460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695169532 (or 2695169530 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 2102232215460 its reverse (645122322012), we get a palindrome (2747354537472).

The spelling of 2102232215460 in words is "two trillion, one hundred two billion, two hundred thirty-two million, two hundred fifteen thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 2695169507 5390339014 8085508521 10780678028 13475847535 16171017042 26951695070 32342034084 35037203591 40427542605 53903390140 70074407182 80855085210 105111610773 140148814364 161710170420 175186017955 210223221546 350372035910 420446443092 525558053865 700744071820 1051116107730 2102232215460