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29078600690 = 252907860069
BaseRepresentation
bin11011000101001110…
…000011101111110010
32210001112111222010202
4123011032003233302
5434023110210230
621205235155202
72046411012326
oct330516035762
983045458122
1029078600690
11113721260a7
125776445b02
1329855183c9
14159bd1b986
15b52cc1a45
hex6c5383bf2

29078600690 has 8 divisors (see below), whose sum is σ = 52341481260. Its totient is φ = 11631440272.

The previous prime is 29078600671. The next prime is 29078600723. The reversal of 29078600690 is 9600687092.

It can be written as a sum of positive squares in 2 ways, for example, as 23978212801 + 5100387889 = 154849^2 + 71417^2 .

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

It is a super-2 number, since 2×290786006902 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453930025 + ... + 1453930044.

Almost surely, 229078600690 is an apocalyptic number.

29078600690 is a deficient number, since it is larger than the sum of its proper divisors (23262880570).

29078600690 is a wasteful number, since it uses less digits than its factorization.

29078600690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907860076.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 29078600690 in words is "twenty-nine billion, seventy-eight million, six hundred thousand, six hundred ninety".

Divisors: 1 2 5 10 2907860069 5815720138 14539300345 29078600690