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29222193025 = 5217921912
BaseRepresentation
bin11011001101110001…
…110100011110000001
32210102112201012210101
4123031301310132001
5434321340134100
621231405002401
72053103354014
oct331561643601
983375635711
1029222193025
1111436191153
1257b6553401
1329a91b289c
1415b301937b
15b606d786a
hex6cdc74781

29222193025 has 27 divisors (see below), whose sum is σ = 36630862723. Its totient is φ = 23125439600.

The previous prime is 29222192977. The next prime is 29222193029. The reversal of 29222193025 is 52039122292.

The square root of 29222193025 is 170945.

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., 10519989489 + 18702203536 = 102567^2 + 136756^2 .

It is not a de Polignac number, because 29222193025 - 219 = 29221668737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29222193029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 152995680 + ... + 152995870.

Almost surely, 229222193025 is an apocalyptic number.

29222193025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29222193025 is the 170945-th square number.

29222193025 is the 85473-rd centered octagonal number.

It is an amenable number.

29222193025 is a deficient number, since it is larger than the sum of its proper divisors (7408669698).

29222193025 is an frugal number, since it uses more digits than its factorization.

29222193025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 29222193025 in words is "twenty-nine billion, two hundred twenty-two million, one hundred ninety-three thousand, twenty-five".

Divisors: 1 5 25 179 191 895 955 4475 4775 32041 34189 36481 160205 170945 182405 801025 854725 912025 6119831 6530099 30599155 32650495 152995775 163252475 1168887721 5844438605 29222193025