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102421241414220 = 22351989843194223
BaseRepresentation
bin10111010010011011001101…
…101101100100001001001100
3111102122101010102012101122210
4113102123031231210021030
5101411032200300223340
61001455400241110420
730400455561451551
oct2722331555441114
9442571112171583
10102421241414220
112a6a8671731243
12b5a1b0a628410
13451c387957bb1
141b4130097aa28
15bc9328dcd180
hex5d26cdb6424c

102421241414220 has 48 divisors (see below), whose sum is σ = 301873132592640. Its totient is φ = 25874839935936.

The previous prime is 102421241414197. The next prime is 102421241414243. The reversal of 102421241414220 is 22414142124201.

It is an interprime number because it is at equal distance from previous prime (102421241414197) and next prime (102421241414243).

It is a super-2 number, since 2×1024212414142202 (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44921595972 + ... + 44921598251.

It is an arithmetic number, because the mean of its divisors is an integer number (6289023595680).

Almost surely, 2102421241414220 is an apocalyptic number.

102421241414220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102421241414220 is an abundant number, since it is smaller than the sum of its proper divisors (199451891178420).

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

102421241414220 is a wasteful number, since it uses less digits than its factorization.

102421241414220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89843194254 (or 89843194252 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 102421241414220 its reverse (22414142124201), we get a palindrome (124835383538421).

The spelling of 102421241414220 in words is "one hundred two trillion, four hundred twenty-one billion, two hundred forty-one million, four hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 89843194223 179686388446 269529582669 359372776892 449215971115 539059165338 898431942230 1078118330676 1347647913345 1707020690237 1796863884460 2695295826690 3414041380474 5121062070711 5390591653380 6828082760948 8535103451185 10242124141422 17070206902370 20484248282844 25605310353555 34140413804740 51210620707110 102421241414220