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101023220000 = 255415732173
BaseRepresentation
bin101111000010101110…
…1000000000100100000
3100122202111000022012202
41132011131000010200
53123343421020000
6114224234112332
710204310126123
oct1360535000440
9318674008182
10101023220000
1139930a7946a
12176b457b6a8
1396ac7b9871
144c64cd43ba
152963ea5dd5
hex1785740120

101023220000 has 120 divisors (see below), whose sum is σ = 250123056876. Its totient is φ = 40150656000.

The previous prime is 101023219991. The next prime is 101023220009. The reversal of 101023220000 is 22320101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101023219991) and next prime (101023220009).

It can be written as a sum of positive squares in 10 ways, for example, as 18440553616 + 82582666384 = 135796^2 + 287372^2 .

It is not an unprimeable number, because it can be changed into a prime (101023220009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3123914 + ... + 3156086.

Almost surely, 2101023220000 is an apocalyptic number.

101023220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101023220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125061528438).

101023220000 is an abundant number, since it is smaller than the sum of its proper divisors (149099836876).

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

101023220000 is an equidigital number, since it uses as much as digits as its factorization.

101023220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32360 (or 32337 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 101023220000 its reverse (22320101), we get a palindrome (101045540101).

The spelling of 101023220000 in words is "one hundred one billion, twenty-three million, two hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 157 160 200 250 314 400 500 625 628 785 800 1000 1250 1256 1570 2000 2500 2512 3140 3925 4000 5000 5024 6280 7850 10000 12560 15700 19625 20000 25120 31400 32173 39250 62800 64346 78500 98125 125600 128692 157000 160865 196250 257384 314000 321730 392500 514768 628000 643460 785000 804325 1029536 1286920 1570000 1608650 2573840 3140000 3217300 4021625 5051161 5147680 6434600 8043250 10102322 12869200 16086500 20108125 20204644 25255805 25738400 32173000 40216250 40409288 50511610 64346000 80432500 80818576 101023220 126279025 128692000 160865000 161637152 202046440 252558050 321730000 404092880 505116100 631395125 643460000 808185760 1010232200 1262790250 2020464400 2525580500 3156975625 4040928800 5051161000 6313951250 10102322000 12627902500 20204644000 25255805000 50511610000 101023220000