Search a number
-
+
29191921062 = 2319256069483
BaseRepresentation
bin11011001011111110…
…010101110110100110
32210100102202020110120
4123023332111312212
5434241112433222
621224404102410
72052255143403
oct331376256646
983312666416
1029191921062
11114200953a7
1257a8394a06
1329a2b43b95
1415acdb92aa
15b5cc0815c
hex6cbf95da6

29191921062 has 16 divisors (see below), whose sum is σ = 61456676160. Its totient is φ = 9218501352.

The previous prime is 29191921019. The next prime is 29191921123. The reversal of 29191921062 is 26012919192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128034628 + ... + 128034855.

It is an arithmetic number, because the mean of its divisors is an integer number (3841042260).

Almost surely, 229191921062 is an apocalyptic number.

29191921062 is an abundant number, since it is smaller than the sum of its proper divisors (32264755098).

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

29191921062 is a wasteful number, since it uses less digits than its factorization.

29191921062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256069507.

The product of its (nonzero) digits is 34992, while the sum is 42.

The spelling of 29191921062 in words is "twenty-nine billion, one hundred ninety-one million, nine hundred twenty-one thousand, sixty-two".

Divisors: 1 2 3 6 19 38 57 114 256069483 512138966 768208449 1536416898 4865320177 9730640354 14595960531 29191921062