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105221010650 = 25272331421643
BaseRepresentation
bin110000111111110101…
…0010011010011011010
3101001121000220011102112
41201333222103103122
53210443034320100
6120200551232322
710413321555620
oct1417752232332
9331530804375
10105221010650
1140695576738
12184863786a2
139bcb3a0a62
145142613510
152b0c79ab35
hex187fa934da

105221010650 has 96 divisors (see below), whose sum is σ = 240924008448. Its totient is φ = 33394046400.

The previous prime is 105221010647. The next prime is 105221010667. The reversal of 105221010650 is 56010122501.

It is a happy number.

It is a super-2 number, since 2×1052210106502 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38729 + ... + 460371.

It is an arithmetic number, because the mean of its divisors is an integer number (2509625088).

Almost surely, 2105221010650 is an apocalyptic number.

105221010650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105221010650 is an abundant number, since it is smaller than the sum of its proper divisors (135702997798).

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

105221010650 is a wasteful number, since it uses less digits than its factorization.

105221010650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421716 (or 421711 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 105221010650 in words is "one hundred five billion, two hundred twenty-one million, ten thousand, six hundred fifty".

Divisors: 1 2 5 7 10 14 23 25 31 35 46 50 62 70 115 155 161 175 217 230 310 322 350 434 575 713 775 805 1085 1150 1426 1550 1610 2170 3565 4025 4991 5425 7130 8050 9982 10850 17825 24955 35650 49910 124775 249550 421643 843286 2108215 2951501 4216430 5903002 9697789 10541075 13070933 14757505 19395578 21082150 26141866 29515010 48488945 65354665 67884523 73787525 91496531 96977890 130709330 135769046 147575050 182993062 242444725 300631459 326773325 339422615 457482655 484889450 601262918 653546650 678845230 914965310 1503157295 1697113075 2104420213 2287413275 3006314590 3394226150 4208840426 4574826550 7515786475 10522101065 15031572950 21044202130 52610505325 105221010650