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17690943144 = 2337215043319
BaseRepresentation
bin10000011110011101…
…100101111010101000
31200122220122000201110
4100132131211322220
5242212340140034
612043242150320
71164253351500
oct203635457250
950586560643
1017690943144
117559092476
1235187b23a0
13188c1b12c4
14bdb77aa00
156d81aade9
hex41e765ea8

17690943144 has 48 divisors (see below), whose sum is σ = 51448154400. Its totient is φ = 5054554848.

The previous prime is 17690943107. The next prime is 17690943173. The reversal of 17690943144 is 44134909671.

It is a junction number, because it is equal to n+sod(n) for n = 17690943093 and 17690943102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7520484 + ... + 7522835.

It is an arithmetic number, because the mean of its divisors is an integer number (1071836550).

Almost surely, 217690943144 is an apocalyptic number.

17690943144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

17690943144 is an abundant number, since it is smaller than the sum of its proper divisors (33757211256).

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

17690943144 is a wasteful number, since it uses less digits than its factorization.

17690943144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15043342 (or 15043331 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 17690943144 in words is "seventeen billion, six hundred ninety million, nine hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 15043319 30086638 45129957 60173276 90259914 105303233 120346552 180519828 210606466 315909699 361039656 421212932 631819398 737122631 842425864 1263638796 1474245262 2211367893 2527277592 2948490524 4422735786 5896981048 8845471572 17690943144