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29542747957 = 229479269327
BaseRepresentation
bin11011100000111000…
…101000111100110101
32211020212220002111021
4123200320220330311
5441000420413312
621323255341141
72064045133342
oct334070507465
984225802437
1029542747957
1111590124888
1258859817b1
132a2a729568
14160381d7c9
15b7d906c07
hex6e0e28f35

29542747957 has 8 divisors (see below), whose sum is σ = 29733811200. Its totient is φ = 29352224784.

The previous prime is 29542747903. The next prime is 29542747973. The reversal of 29542747957 is 75974724592.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29542747957 - 211 = 29542745909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29542747895 and 29542747904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29542748957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24973 + ... + 244354.

It is an arithmetic number, because the mean of its divisors is an integer number (3716726400).

Almost surely, 229542747957 is an apocalyptic number.

It is an amenable number.

29542747957 is a deficient number, since it is larger than the sum of its proper divisors (191063243).

29542747957 is a wasteful number, since it uses less digits than its factorization.

29542747957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270035.

The product of its digits is 44452800, while the sum is 61.

The spelling of 29542747957 in words is "twenty-nine billion, five hundred forty-two million, seven hundred forty-seven thousand, nine hundred fifty-seven".

Divisors: 1 229 479 109691 269327 61675883 129007633 29542747957