Search a number
-
+
29870285920046 = 21113104441559161
BaseRepresentation
bin1101100101010101101111…
…10010000001011100101110
310220202120102120202202102122
412302222313302001130232
512403343321143420141
6143310115300152542
76202025350040045
oct662526762013456
9126676376682378
1029870285920046
119576a0a759990
12342508a398752
1313889a98758a0
14753a2dc6b55c
1536bedc0e264b
hex1b2ab7c8172e

29870285920046 has 16 divisors (see below), whose sum is σ = 52638545817648. Its totient is φ = 12532987099200.

The previous prime is 29870285920043. The next prime is 29870285920061. The reversal of 29870285920046 is 64002958207892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29870285920043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52220779295 + ... + 52220779866.

It is an arithmetic number, because the mean of its divisors is an integer number (3289909113603).

Almost surely, 229870285920046 is an apocalyptic number.

29870285920046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

29870285920046 is a deficient number, since it is larger than the sum of its proper divisors (22768259897602).

29870285920046 is a wasteful number, since it uses less digits than its factorization.

29870285920046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104441559187.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 29870285920046 in words is "twenty-nine trillion, eight hundred seventy billion, two hundred eighty-five million, nine hundred twenty thousand, forty-six".

Divisors: 1 2 11 13 22 26 143 286 104441559161 208883118322 1148857150771 1357740269093 2297714301542 2715480538186 14935142960023 29870285920046