Search a number
-
+
29167017940 = 2251458350897
BaseRepresentation
bin11011001010011111…
…010101111111010100
32210021200220000210201
4123022133111333110
5434213224033230
621222114230244
72051533363504
oct331237257724
983250800721
1029167017940
1111408026305
12579bb85384
13299a934ac8
1415a9975a04
15b5a9395ca
hex6ca7d5fd4

29167017940 has 12 divisors (see below), whose sum is σ = 61250737716. Its totient is φ = 11666807168.

The previous prime is 29167017881. The next prime is 29167017941. The reversal of 29167017940 is 4971076192.

It can be written as a sum of positive squares in 2 ways, for example, as 6744351376 + 22422666564 = 82124^2 + 149742^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29167017941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729175429 + ... + 729175468.

It is an arithmetic number, because the mean of its divisors is an integer number (5104228143).

Almost surely, 229167017940 is an apocalyptic number.

29167017940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29167017940 is an abundant number, since it is smaller than the sum of its proper divisors (32083719776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29167017940 is a wasteful number, since it uses less digits than its factorization.

29167017940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458350906 (or 1458350904 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 29167017940 in words is "twenty-nine billion, one hundred sixty-seven million, seventeen thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1458350897 2916701794 5833403588 7291754485 14583508970 29167017940