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10000554421 = 1113127550661
BaseRepresentation
bin10010101000001010…
…00101100110110101
3221210221210210122111
421110011011212311
5130440120220141
64332202331021
7502552211224
oct112405054665
927727723574
1010000554421
114272063610
121b311b9a71
13c34b52930
146ac268cbb
153d7e6c381
hex2541459b5

10000554421 has 16 divisors (see below), whose sum is σ = 11841435648. Its totient is φ = 8325979200.

The previous prime is 10000554407. The next prime is 10000554439. The reversal of 10000554421 is 12445500001.

It is not a de Polignac number, because 10000554421 - 213 = 10000546229 is a prime.

It is a super-2 number, since 2×100005544212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000554392 and 10000554401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000554821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257170 + ... + 293491.

It is an arithmetic number, because the mean of its divisors is an integer number (740089728).

Almost surely, 210000554421 is an apocalyptic number.

10000554421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10000554421 is a deficient number, since it is larger than the sum of its proper divisors (1840881227).

10000554421 is a wasteful number, since it uses less digits than its factorization.

10000554421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550812.

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 10000554421 in words is "ten billion, five hundred fifty-four thousand, four hundred twenty-one".

Divisors: 1 11 13 127 143 1397 1651 18161 550661 6057271 7158593 69933947 78744523 769273417 909141311 10000554421