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29030591930 = 254673621241
BaseRepresentation
bin11011000010010110…
…111010110110111010
32202221012011212111112
4123002112322312322
5433423312420210
621200402200322
72045255650154
oct330226726672
982835155445
1029030591930
111134801543a
1257623530a2
1329785a9462
1415957c1ad4
15b4d98bd05
hex6c25badba

29030591930 has 16 divisors (see below), whose sum is σ = 52266331944. Its totient is φ = 11609733120.

The previous prime is 29030591911. The next prime is 29030591957. The reversal of 29030591930 is 3919503092.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28903060081 + 127531849 = 170009^2 + 11293^2 .

It is a super-2 number, since 2×290305919302 (a number of 22 digits) contains 22 as substring.

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, 263891 + ... + 357350.

Almost surely, 229030591930 is an apocalyptic number.

29030591930 is a deficient number, since it is larger than the sum of its proper divisors (23235740014).

29030591930 is a wasteful number, since it uses less digits than its factorization.

29030591930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625921.

The product of its (nonzero) digits is 65610, while the sum is 41.

The spelling of 29030591930 in words is "twenty-nine billion, thirty million, five hundred ninety-one thousand, nine hundred thirty".

Divisors: 1 2 5 10 4673 9346 23365 46730 621241 1242482 3106205 6212410 2903059193 5806118386 14515295965 29030591930