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29897160085 = 5132243205063
BaseRepresentation
bin11011110110000000…
…100111010110010101
32212011120210002112101
4123312000213112111
5442212133110320
621422355522101
72105610445012
oct336600472625
985146702471
1029897160085
1111752192971
1259645b9331
132a85c98a90
141638918709
15b9eab2c0a
hex6f6027595

29897160085 has 16 divisors (see below), whose sum is σ = 38653743744. Its totient is φ = 22067952192.

The previous prime is 29897160067. The next prime is 29897160131. The reversal of 29897160085 is 58006179892.

It is not a de Polignac number, because 29897160085 - 25 = 29897160053 is a prime.

It is a super-2 number, since 2×298971600852 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43264 + ... + 248326.

It is an arithmetic number, because the mean of its divisors is an integer number (2415858984).

Almost surely, 229897160085 is an apocalyptic number.

It is an amenable number.

29897160085 is a deficient number, since it is larger than the sum of its proper divisors (8756583659).

29897160085 is a wasteful number, since it uses less digits than its factorization.

29897160085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207324.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 29897160085 in words is "twenty-nine billion, eight hundred ninety-seven million, one hundred sixty thousand, eighty-five".

Divisors: 1 5 13 65 2243 11215 29159 145795 205063 1025315 2665819 13329095 459956309 2299781545 5979432017 29897160085