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15384226340 = 2257109887331
BaseRepresentation
bin11100101001111100…
…01010101000100100
31110201011010200010202
432110332022220210
5223001330220330
611022321210032
71053143523560
oct162476125044
943634120122
1015384226340
116584aa3a4a
122b94190918
1315b2326b12
14a5d2806a0
1560090e445
hex394f8aa24

15384226340 has 24 divisors (see below), whose sum is σ = 36922143552. Its totient is φ = 5274591840.

The previous prime is 15384226321. The next prime is 15384226357. The reversal of 15384226340 is 4362248351.

It is a junction number, because it is equal to n+sod(n) for n = 15384226294 and 15384226303.

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, 54943526 + ... + 54943805.

It is an arithmetic number, because the mean of its divisors is an integer number (1538422648).

Almost surely, 215384226340 is an apocalyptic number.

15384226340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15384226340 is an abundant number, since it is smaller than the sum of its proper divisors (21537917212).

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

15384226340 is a wasteful number, since it uses less digits than its factorization.

15384226340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109887347 (or 109887345 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 15384226340 in words is "fifteen billion, three hundred eighty-four million, two hundred twenty-six thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 109887331 219774662 439549324 549436655 769211317 1098873310 1538422634 2197746620 3076845268 3846056585 7692113170 15384226340