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10219188100 = 22521129192
BaseRepresentation
bin10011000010001110…
…00110111110000100
3222101012012112200011
421201013012332010
5131412103004400
64410012400004
7511145444212
oct114107067604
928335175604
1010219188100
114374513300
121b92476004
13c6b232484
146cd2dbcb2
153ec2578ba
hex2611c6f84

10219188100 has 81 divisors (see below), whose sum is σ = 24401427141. Its totient is φ = 3712024800.

The previous prime is 10219188041. The next prime is 10219188151. The reversal of 10219188100 is 188191201.

The square root of 10219188100 is 101090.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3678907716 + 6540280384 = 60654^2 + 80872^2 .

It is a super-2 number, since 2×102191881002 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11119441 + ... + 11120359.

Almost surely, 210219188100 is an apocalyptic number.

10219188100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10219188100 is the 101090-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10219188100

10219188100 is an abundant number, since it is smaller than the sum of its proper divisors (14182239041).

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

10219188100 is an equidigital number, since it uses as much as digits as its factorization.

10219188100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 10219188100 in words is "ten billion, two hundred nineteen million, one hundred eighty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 220 242 275 484 550 605 919 1100 1210 1838 2420 3025 3676 4595 6050 9190 10109 12100 18380 20218 22975 40436 45950 50545 91900 101090 111199 202180 222398 252725 444796 505450 555995 844561 1010900 1111990 1689122 2223980 2779975 3378244 4222805 5559950 8445610 9290171 11119900 16891220 18580342 21114025 37160684 42228050 46450855 84456100 92901710 102191881 185803420 204383762 232254275 408767524 464508550 510959405 929017100 1021918810 2043837620 2554797025 5109594050 10219188100