Search a number
-
+
29916698387 = 199716232609
BaseRepresentation
bin11011110111001011…
…001001011100010011
32212012221112202001012
4123313023021130103
5442232133322022
621424334401135
72106235512002
oct336713113423
985187482035
1029916698387
1111762218324
12596b0601ab
132a8a049cc4
14163b362c39
15ba1671de2
hex6f72c9713

29916698387 has 8 divisors (see below), whose sum is σ = 31815915600. Its totient is φ = 28049946624.

The previous prime is 29916698369. The next prime is 29916698393. The reversal of 29916698387 is 78389661992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29916698387 - 218 = 29916436243 is a prime.

It is a super-4 number, since 4×299166983874 (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29916698587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8114462 + ... + 8118147.

It is an arithmetic number, because the mean of its divisors is an integer number (3976989450).

Almost surely, 229916698387 is an apocalyptic number.

29916698387 is a deficient number, since it is larger than the sum of its proper divisors (1899217213).

29916698387 is a wasteful number, since it uses less digits than its factorization.

29916698387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16232725.

The product of its digits is 70543872, while the sum is 68.

The spelling of 29916698387 in words is "twenty-nine billion, nine hundred sixteen million, six hundred ninety-eight thousand, three hundred eighty-seven".

Divisors: 1 19 97 1843 16232609 308419571 1574563073 29916698387