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26141244340 = 2257118409327
BaseRepresentation
bin11000010110001000…
…111011101110110100
32111110211100210201211
4120112020323232310
5412014124304330
620001545331204
71613542624231
oct302610735664
974424323654
1026141244340
11100a5061872
125096796b04
132607ac8223
14139db80788
15a2eea3d2a
hex61623bbb4

26141244340 has 24 divisors (see below), whose sum is σ = 55669807872. Its totient is φ = 10309222560.

The previous prime is 26141244257. The next prime is 26141244341. The reversal of 26141244340 is 4344214162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26141244341) 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, 9203244 + ... + 9206083.

It is an arithmetic number, because the mean of its divisors is an integer number (2319575328).

Almost surely, 226141244340 is an apocalyptic number.

26141244340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26141244340 is an abundant number, since it is smaller than the sum of its proper divisors (29528563532).

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

26141244340 is a wasteful number, since it uses less digits than its factorization.

26141244340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18409407 (or 18409405 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 26141244340 in words is "twenty-six billion, one hundred forty-one million, two hundred forty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 18409327 36818654 73637308 92046635 184093270 368186540 1307062217 2614124434 5228248868 6535311085 13070622170 26141244340