Search a number
-
+
29188014025 = 524727272
BaseRepresentation
bin11011001011101111…
…011011111111001001
32210100011101202000111
4123023233123333021
5434234112422100
621224144234321
72052210011542
oct331357337711
983304352014
1029188014025
1111418966a45
1257a700b9a1
1329a20a6721
1415ac67d4c9
15b5c6d56ba
hex6cbbdbfc9

29188014025 has 27 divisors (see below), whose sum is σ = 37030524519. Its totient is φ = 22822158480.

The previous prime is 29188014007. The next prime is 29188014029. The reversal of 29188014025 is 52041088192.

The square root of 29188014025 is 170845.

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., 10507685049 + 18680328976 = 102507^2 + 136676^2 .

It is a de Polignac number, because none of the positive numbers 2k-29188014025 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29188014029) 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, 40148212 + ... + 40148938.

Almost surely, 229188014025 is an apocalyptic number.

29188014025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29188014025 is the 170845-th square number.

29188014025 is the 85423-rd centered octagonal number.

It is an amenable number.

29188014025 is a deficient number, since it is larger than the sum of its proper divisors (7842510494).

29188014025 is an frugal number, since it uses more digits than its factorization.

29188014025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 29188014025 in words is "twenty-nine billion, one hundred eighty-eight million, fourteen thousand, twenty-five".

Divisors: 1 5 25 47 235 727 1175 2209 3635 11045 18175 34169 55225 170845 528529 854225 1605943 2642645 8029715 13213225 24840863 40148575 124204315 621021575 1167520561 5837602805 29188014025