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102550485421 = 1672512446513
BaseRepresentation
bin101111110000001111…
…1000011100110101101
3100210200220211102111201
41133200133003212231
53140010411013141
6115035552445501
710260203513026
oct1374037034655
9323626742451
10102550485421
113a54509159a
1217a5bb49891
139894037207
144d6ba93c4d
152a030d9031
hex17e07c39ad

102550485421 has 8 divisors (see below), whose sum is σ = 103575616704. Its totient is φ = 101530248000.

The previous prime is 102550485419. The next prime is 102550485437. The reversal of 102550485421 is 124584055201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102550485421 - 21 = 102550485419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102550485461) 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, 1181340 + ... + 1265173.

It is an arithmetic number, because the mean of its divisors is an integer number (12946952088).

Almost surely, 2102550485421 is an apocalyptic number.

It is an amenable number.

102550485421 is a deficient number, since it is larger than the sum of its proper divisors (1025131283).

102550485421 is a wasteful number, since it uses less digits than its factorization.

102550485421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446931.

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 102550485421 in words is "one hundred two billion, five hundred fifty million, four hundred eighty-five thousand, four hundred twenty-one".

Divisors: 1 167 251 41917 2446513 408567671 614074763 102550485421