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29188057085 = 5119710353117
BaseRepresentation
bin11011001011101111…
…100110011111111101
32210100011110221002022
4123023233212133331
5434234120311320
621224145205525
72052210251225
oct331357463775
983304427068
1029188057085
1111418996330
1257a70308a5
1329a20c01c5
1415ac691085
15b5c6e3325
hex6cbbe67fd

29188057085 has 32 divisors (see below), whose sum is σ = 38979263232. Its totient is φ = 20804474880.

The previous prime is 29188057069. The next prime is 29188057091. The reversal of 29188057085 is 58075088192.

It is not a de Polignac number, because 29188057085 - 24 = 29188057069 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 522947 + ... + 576063.

It is an arithmetic number, because the mean of its divisors is an integer number (1218101976).

Almost surely, 229188057085 is an apocalyptic number.

It is an amenable number.

29188057085 is a deficient number, since it is larger than the sum of its proper divisors (9791206147).

29188057085 is a wasteful number, since it uses less digits than its factorization.

29188057085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53333.

The product of its (nonzero) digits is 1612800, while the sum is 53.

The spelling of 29188057085 in words is "twenty-nine billion, one hundred eighty-eight million, fifty-seven thousand, eighty-five".

Divisors: 1 5 11 55 97 103 485 515 1067 1133 5335 5665 9991 49955 53117 109901 265585 549505 584287 2921435 5152349 5471051 25761745 27355255 56675839 60181561 283379195 300907805 530691947 2653459735 5837611417 29188057085