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29899151755 = 5114711566403
BaseRepresentation
bin11011110110001000…
…001101100110001011
32212011201112021120221
4123312020031212023
5442213140324010
621422510330511
72105633411434
oct336610154613
985151467527
1029899151755
1111753323280
1259651b9a37
132a86515495
141638cb648b
15b9ed57dda
hex6f620d98b

29899151755 has 16 divisors (see below), whose sum is σ = 39973492224. Its totient is φ = 21282179680.

The previous prime is 29899151753. The next prime is 29899151759. The reversal of 29899151755 is 55715199892.

It is not a de Polignac number, because 29899151755 - 21 = 29899151753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29899151693 and 29899151702.

It is not an unprimeable number, because it can be changed into a prime (29899151753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5780617 + ... + 5785786.

It is an arithmetic number, because the mean of its divisors is an integer number (2498343264).

Almost surely, 229899151755 is an apocalyptic number.

29899151755 is a deficient number, since it is larger than the sum of its proper divisors (10074340469).

29899151755 is a wasteful number, since it uses less digits than its factorization.

29899151755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11566466.

The product of its digits is 10206000, while the sum is 61.

The spelling of 29899151755 in words is "twenty-nine billion, eight hundred ninety-nine million, one hundred fifty-one thousand, seven hundred fifty-five".

Divisors: 1 5 11 47 55 235 517 2585 11566403 57832015 127230433 543620941 636152165 2718104705 5979830351 29899151755