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29106294750625 = 542158012
BaseRepresentation
bin1101001111000110101100…
…10110111111110110100001
310211001112102201121010202211
412213203112112333312201
512303334142424010000
6141523125222042121
76062601055201261
oct647432626776641
9124045381533684
1029106294750625
119301a01650604
123320bb3279341
131331933b2c571
14728a75dbb7a1
153571c52087ba
hex1a78d65bfda1

29106294750625 has 15 divisors (see below), whose sum is σ = 36371394461743. Its totient is φ = 23284927900000.

The previous prime is 29106294750601. The next prime is 29106294750649. The reversal of 29106294750625 is 52605749260192.

It is a happy number.

The square root of 29106294750625 is 5395025.

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

It is an interprime number because it is at equal distance from previous prime (29106294750601) and next prime (29106294750649).

It can be written as a sum of positive squares in 7 ways, for example, as 18893566168929 + 10212728581696 = 4346673^2 + 3195736^2 .

It is not a de Polignac number, because 29106294750625 - 223 = 29106286362017 is a prime.

It is a super-2 number, since 2×291062947506252 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29106294750625.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 134767725 + ... + 134983525.

Almost surely, 229106294750625 is an apocalyptic number.

29106294750625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29106294750625 is the 5395025-th square number.

29106294750625 is the 2697513-rd centered octagonal number.

It is an amenable number.

29106294750625 is a deficient number, since it is larger than the sum of its proper divisors (7265099711118).

29106294750625 is an frugal number, since it uses more digits than its factorization.

29106294750625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431622 (or 215806 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 29106294750625 in words is "twenty-nine trillion, one hundred six billion, two hundred ninety-four million, seven hundred fifty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 215801 1079005 5395025 26975125 134875625 46570071601 232850358005 1164251790025 5821258950125 29106294750625