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7421106623 = 71099726221
BaseRepresentation
bin1101110100101010…
…10001100110111111
3201011012010021110212
412322111101212333
5110144300402443
63224220023035
7351621236240
oct67225214677
921135107425
107421106623
113169026277
121531391a7b
13913627568
14505856cc7
152d679b618
hex1ba5519bf

7421106623 has 8 divisors (see below), whose sum is σ = 8559075360. Its totient is φ = 6302590560.

The previous prime is 7421106601. The next prime is 7421106629. The reversal of 7421106623 is 3266011247.

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

It is not a de Polignac number, because 7421106623 - 212 = 7421102527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7421106623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421106629) 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, 4862348 + ... + 4863873.

It is an arithmetic number, because the mean of its divisors is an integer number (1069884420).

Almost surely, 27421106623 is an apocalyptic number.

7421106623 is a deficient number, since it is larger than the sum of its proper divisors (1137968737).

7421106623 is a wasteful number, since it uses less digits than its factorization.

7421106623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726337.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 7421106623 is about 86145.8450710190. The cubic root of 7421106623 is about 1950.5461212434.

The spelling of 7421106623 in words is "seven billion, four hundred twenty-one million, one hundred six thousand, six hundred twenty-three".

Divisors: 1 7 109 763 9726221 68083547 1060158089 7421106623