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905020045368 = 23337709168557
BaseRepresentation
bin11010010101101110110…
…01011111100000111000
310012112000101212210212120
431022313121133200320
5104311440112422433
61531432132241240
7122246145313215
oct15126731374070
93175011783776
10905020045368
113198a924921a
12127495470220
136745c81595a
1431b35dc4b0c
151881d0e27b3
hexd2b765f838

905020045368 has 16 divisors (see below), whose sum is σ = 2262550113480. Its totient is φ = 301673348448.

The previous prime is 905020045367. The next prime is 905020045381. The reversal of 905020045368 is 863540020509.

It is a super-2 number, since 2×9050200453682 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905020045361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18854584255 + ... + 18854584302.

Almost surely, 2905020045368 is an apocalyptic number.

It is an amenable number.

905020045368 is an abundant number, since it is smaller than the sum of its proper divisors (1357530068112).

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

905020045368 is a wasteful number, since it uses less digits than its factorization.

905020045368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37709168566 (or 37709168562 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 905020045368 in words is "nine hundred five billion, twenty million, forty-five thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 37709168557 75418337114 113127505671 150836674228 226255011342 301673348456 452510022684 905020045368