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29772214180 = 2251488610709
BaseRepresentation
bin11011101110100011…
…111110111110100100
32211211212200011222021
4123232203332332210
5441433141323210
621402133512524
72102532434152
oct335643767644
984755604867
1029772214180
1111698703195
12592a7a2744
132a6612c8a7
1416260b23d2
15b93b31bda
hex6ee8fefa4

29772214180 has 12 divisors (see below), whose sum is σ = 62521649820. Its totient is φ = 11908885664.

The previous prime is 29772214177. The next prime is 29772214187. The reversal of 29772214180 is 8141227792.

It can be written as a sum of positive squares in 2 ways, for example, as 16100056996 + 13672157184 = 126886^2 + 116928^2 .

It is not an unprimeable number, because it can be changed into a prime (29772214187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744305335 + ... + 744305374.

It is an arithmetic number, because the mean of its divisors is an integer number (5210137485).

Almost surely, 229772214180 is an apocalyptic number.

29772214180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29772214180 is an abundant number, since it is smaller than the sum of its proper divisors (32749435640).

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

29772214180 is a wasteful number, since it uses less digits than its factorization.

29772214180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488610718 (or 1488610716 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 29772214180 in words is "twenty-nine billion, seven hundred seventy-two million, two hundred fourteen thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 1488610709 2977221418 5954442836 7443053545 14886107090 29772214180