Search a number
-
+
29371785944 = 2319119222373
BaseRepresentation
bin11011010110101100…
…011110001011011000
32210210222012022200212
4123112230132023120
5440123134122234
621254311150252
72056601026664
oct332654361330
983728168625
1029371785944
1111502675566
125838675388
132a0119b3c7
1415c8c398a4
15b6d8d65ce
hex6d6b1e2d8

29371785944 has 16 divisors (see below), whose sum is σ = 55360437120. Its totient is φ = 14609002720.

The previous prime is 29371785941. The next prime is 29371785959. The reversal of 29371785944 is 44958717392.

It is a super-2 number, since 2×293717859442 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29371785941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9609659 + ... + 9612714.

It is an arithmetic number, because the mean of its divisors is an integer number (3460027320).

Almost surely, 229371785944 is an apocalyptic number.

It is an amenable number.

29371785944 is a deficient number, since it is larger than the sum of its proper divisors (25988651176).

29371785944 is a wasteful number, since it uses less digits than its factorization.

29371785944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19222570 (or 19222566 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 59.

The spelling of 29371785944 in words is "twenty-nine billion, three hundred seventy-one million, seven hundred eighty-five thousand, nine hundred forty-four".

Divisors: 1 2 4 8 191 382 764 1528 19222373 38444746 76889492 153778984 3671473243 7342946486 14685892972 29371785944