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903121431341 = 4792920683907
BaseRepresentation
bin11010010010001100011…
…10110110101100101101
310012100010002022020001112
431021012032312230231
5104244043041300331
61530515510321405
7122151122335313
oct15110616665455
93170102266045
10903121431341
1131901455a418
12127045659265
1367219378bbc
14319d5b9c0b3
151875b5aa32b
hexd2463b6b2d

903121431341 has 8 divisors (see below), whose sum is σ = 923329653120. Its totient is φ = 882954579328.

The previous prime is 903121431319. The next prime is 903121431379. The reversal of 903121431341 is 143134121309.

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 903121431341 - 210 = 903121430317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 903121431298 and 903121431307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (903121331341) 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, 10298291 + ... + 10385616.

It is an arithmetic number, because the mean of its divisors is an integer number (115416206640).

Almost surely, 2903121431341 is an apocalyptic number.

It is an amenable number.

903121431341 is a deficient number, since it is larger than the sum of its proper divisors (20208221779).

903121431341 is a wasteful number, since it uses less digits than its factorization.

903121431341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20684883.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 903121431341 in words is "nine hundred three billion, one hundred twenty-one million, four hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 47 929 43663 20683907 972143629 19215349603 903121431341