Search a number
-
+
29109843801 = 331763420139
BaseRepresentation
bin11011000111000101…
…001111011101011001
32210010201022021122000
4123013011033131121
5434104110000201
621212312551213
72050240406163
oct330705173531
983121267560
1029109843801
1111388825555
1257849b2509
13298bb3715c
1415a2131933
15b558e3d86
hex6c714f759

29109843801 has 16 divisors (see below), whose sum is σ = 45662500800. Its totient is φ = 18264999744.

The previous prime is 29109843799. The next prime is 29109843803. The reversal of 29109843801 is 10834890192.

It is an interprime number because it is at equal distance from previous prime (29109843799) and next prime (29109843803).

It is not a de Polignac number, because 29109843801 - 21 = 29109843799 is a prime.

It is a super-2 number, since 2×291098438012 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (29109843803) 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, 31709611 + ... + 31710528.

It is an arithmetic number, because the mean of its divisors is an integer number (2853906300).

Almost surely, 229109843801 is an apocalyptic number.

It is an amenable number.

29109843801 is a deficient number, since it is larger than the sum of its proper divisors (16552656999).

29109843801 is a wasteful number, since it uses less digits than its factorization.

29109843801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63420165 (or 63420159 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 29109843801 in words is "twenty-nine billion, one hundred nine million, eight hundred forty-three thousand, eight hundred one".

Divisors: 1 3 9 17 27 51 153 459 63420139 190260417 570781251 1078142363 1712343753 3234427089 9703281267 29109843801