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29995722152 = 2311340860479
BaseRepresentation
bin11011111011111000…
…100110010110101000
32212102110020120021022
4123323320212112220
5442412401102102
621440240232012
72111215300664
oct337370462650
985373216238
1029995722152
11117a2892020
12599160b608
132aa0527c26
141647a538a4
15ba85815a2
hex6fbe265a8

29995722152 has 16 divisors (see below), whose sum is σ = 61354886400. Its totient is φ = 13634419120.

The previous prime is 29995722103. The next prime is 29995722157. The reversal of 29995722152 is 25122759992.

It is a super-2 number, since 2×299957221522 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29995722094 and 29995722103.

It is not an unprimeable number, because it can be changed into a prime (29995722157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170430152 + ... + 170430327.

It is an arithmetic number, because the mean of its divisors is an integer number (3834680400).

Almost surely, 229995722152 is an apocalyptic number.

29995722152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29995722152 is an abundant number, since it is smaller than the sum of its proper divisors (31359164248).

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

29995722152 is a wasteful number, since it uses less digits than its factorization.

29995722152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340860496 (or 340860492 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 53.

The spelling of 29995722152 in words is "twenty-nine billion, nine hundred ninety-five million, seven hundred twenty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 340860479 681720958 1363441916 2726883832 3749465269 7498930538 14997861076 29995722152