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29350871889 = 3193116610567
BaseRepresentation
bin11011010101011100…
…101100001101010001
32210202111211210000020
4123111130230031101
5440102310400024
621252243014053
72056225203033
oct332534541521
983674753006
1029350871889
11114a1890519
12583166a329
1329c9a57c21
1415c6153c53
15b6bb54979
hex6d572c351

29350871889 has 16 divisors (see below), whose sum is σ = 42523054080. Its totient is φ = 17939411280.

The previous prime is 29350871881. The next prime is 29350871903. The reversal of 29350871889 is 98817805392.

It is not a de Polignac number, because 29350871889 - 23 = 29350871881 is a prime.

It is a super-2 number, since 2×293508718892 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29350871881) 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, 8303517 + ... + 8307050.

It is an arithmetic number, because the mean of its divisors is an integer number (2657690880).

Almost surely, 229350871889 is an apocalyptic number.

It is an amenable number.

29350871889 is a deficient number, since it is larger than the sum of its proper divisors (13172182191).

29350871889 is a wasteful number, since it uses less digits than its factorization.

29350871889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16610620.

The product of its (nonzero) digits is 8709120, while the sum is 60.

The spelling of 29350871889 in words is "twenty-nine billion, three hundred fifty million, eight hundred seventy-one thousand, eight hundred eighty-nine".

Divisors: 1 3 19 31 57 93 589 1767 16610567 49831701 315600773 514927577 946802319 1544782731 9783623963 29350871889