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2133135744 = 27343129187
BaseRepresentation
bin111111100100101…
…0001000110000000
312111122212112010120
41333021101012000
513332040320434
6551400300240
7103601232435
oct17711210600
95448775116
102133135744
119a5110503
124b6471680
1327cc201cc
14163433b8c
15c7410349
hex7f251180

2133135744 has 64 divisors (see below), whose sum is σ = 5797957440. Its totient is φ = 694503936.

The previous prime is 2133135743. The next prime is 2133135751. The reversal of 2133135744 is 4475313312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133135743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48082 + ... + 81105.

It is an arithmetic number, because the mean of its divisors is an integer number (90593085).

Almost surely, 22133135744 is an apocalyptic number.

2133135744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2133135744 is an abundant number, since it is smaller than the sum of its proper divisors (3664821696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133135744 is a wasteful number, since it uses less digits than its factorization.

2133135744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129247 (or 129235 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 2133135744 is about 46185.8825183627. The cubic root of 2133135744 is about 1287.2794344130.

It can be divided in two parts, 21331 and 35744, that added together give a palindrome (57075).

The spelling of 2133135744 in words is "two billion, one hundred thirty-three million, one hundred thirty-five thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 64 86 96 128 129 172 192 258 344 384 516 688 1032 1376 2064 2752 4128 5504 8256 16512 129187 258374 387561 516748 775122 1033496 1550244 2066992 3100488 4133984 5555041 6200976 8267968 11110082 12401952 16535936 16665123 22220164 24803904 33330246 44440328 49607808 66660492 88880656 133320984 177761312 266641968 355522624 533283936 711045248 1066567872 2133135744