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10909382740 = 225618942117
BaseRepresentation
bin10100010100011111…
…11111100001010100
31001011021221001201121
422022033333201110
5134320300221430
65002305533324
7534226136404
oct121217774124
931137831647
1010909382740
1146990757a3
122145644244
13104b21a779
14756c42804
1543cb3ea7a
hex28a3ff854

10909382740 has 24 divisors (see below), whose sum is σ = 23285275272. Its totient is φ = 4292215680.

The previous prime is 10909382657. The next prime is 10909382797. The reversal of 10909382740 is 4728390901.

It can be written as a sum of positive squares in 4 ways, for example, as 1343369104 + 9566013636 = 36652^2 + 97806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4469839 + ... + 4472278.

It is an arithmetic number, because the mean of its divisors is an integer number (970219803).

Almost surely, 210909382740 is an apocalyptic number.

10909382740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10909382740 is an abundant number, since it is smaller than the sum of its proper divisors (12375892532).

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

10909382740 is a wasteful number, since it uses less digits than its factorization.

10909382740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8942187 (or 8942185 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 10909382740 in words is "ten billion, nine hundred nine million, three hundred eighty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 8942117 17884234 35768468 44710585 89421170 178842340 545469137 1090938274 2181876548 2727345685 5454691370 10909382740