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2891106173130 = 235780931701121
BaseRepresentation
bin101010000100100011010…
…110110100000011001010
3101020101110011022201100020
4222010203112310003022
5334331441140020010
610052053354521310
7415606210000140
oct52044326640312
911211404281306
102891106173130
11a1512507793a
123a8395736236
1317c826565716
149dd049bb590
155030e801470
hex2a1235b40ca

2891106173130 has 64 divisors (see below), whose sum is σ = 7930875725568. Its totient is φ = 660742225920.

The previous prime is 2891106173129. The next prime is 2891106173141. The reversal of 2891106173130 is 313716011982.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 848970 + ... + 2550090.

It is an arithmetic number, because the mean of its divisors is an integer number (123919933212).

Almost surely, 22891106173130 is an apocalyptic number.

2891106173130 is an abundant number, since it is smaller than the sum of its proper divisors (5039769552438).

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

2891106173130 is a wasteful number, since it uses less digits than its factorization.

2891106173130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709231.

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 2891106173130 in words is "two trillion, eight hundred ninety-one billion, one hundred six million, one hundred seventy-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 8093 16186 24279 40465 48558 56651 80930 113302 121395 169953 242790 283255 339906 566510 849765 1699530 1701121 3402242 5103363 8505605 10206726 11907847 17011210 23815694 25516815 35723541 51033630 59539235 71447082 119078470 178617705 357235410 13767172253 27534344506 41301516759 68835861265 82603033518 96370205771 137671722530 192740411542 206507583795 289110617313 413015167590 481851028855 578221234626 963702057710 1445553086565 2891106173130