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29975418946 = 21117372166167
BaseRepresentation
bin11011111010101011…
…001001100001000010
32212101001001001111201
4123322223021201002
5442342201401241
621434233131414
72110550566654
oct337253114102
985331031451
1029975418946
1111792384a10
125986859b6a
132a992697b5
14164508a6d4
15ba68c0931
hex6faac9842

29975418946 has 32 divisors (see below), whose sum is σ = 53339720832. Its totient is φ = 12477116160.

The previous prime is 29975418931. The next prime is 29975418961. The reversal of 29975418946 is 64981457992.

It is an interprime number because it is at equal distance from previous prime (29975418931) and next prime (29975418961).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069246 + ... + 1096921.

It is an arithmetic number, because the mean of its divisors is an integer number (1666866276).

Almost surely, 229975418946 is an apocalyptic number.

29975418946 is a deficient number, since it is larger than the sum of its proper divisors (23364301886).

29975418946 is a wasteful number, since it uses less digits than its factorization.

29975418946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166234.

The product of its digits is 39191040, while the sum is 64.

The spelling of 29975418946 in words is "twenty-nine billion, nine hundred seventy-five million, four hundred eighteen thousand, nine hundred forty-six".

Divisors: 1 2 11 17 22 34 37 74 187 374 407 629 814 1258 6919 13838 2166167 4332334 23827837 36824839 47655674 73649678 80148179 160296358 405073229 810146458 881629969 1362519043 1763259938 2725038086 14987709473 29975418946