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29918683748 = 227479670937
BaseRepresentation
bin11011110111010010…
…101110001001100100
32212020002021121110002
4123313102232021210
5442233140334443
621424445120432
72106261421142
oct336722561144
985202247402
1029918683748
1111763353a18
12596b859118
132a8a593885
14163b71c592
15ba19152b8
hex6f74ae264

29918683748 has 6 divisors (see below), whose sum is σ = 52357696566. Its totient is φ = 14959341872.

The previous prime is 29918683679. The next prime is 29918683789. The reversal of 29918683748 is 84738681992.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23068141924 + 6850541824 = 151882^2 + 82768^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3739835465 + ... + 3739835472.

It is an arithmetic number, because the mean of its divisors is an integer number (8726282761).

Almost surely, 229918683748 is an apocalyptic number.

It is an amenable number.

29918683748 is a deficient number, since it is larger than the sum of its proper divisors (22439012818).

29918683748 is a wasteful number, since it uses less digits than its factorization.

29918683748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479670941 (or 7479670939 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 65.

The spelling of 29918683748 in words is "twenty-nine billion, nine hundred eighteen million, six hundred eighty-three thousand, seven hundred forty-eight".

Divisors: 1 2 4 7479670937 14959341874 29918683748