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30478916814 = 2361199418471
BaseRepresentation
bin11100011000101011…
…110101110011001110
32220200010110101201220
4130120223311303032
5444410100314224
622000220544210
72126203342533
oct343053656316
986603411656
1030478916814
1111a20610355
125aa73b2066
132b49677a28
141691cb2d8a
15bd5bca279
hex718af5cce

30478916814 has 32 divisors (see below), whose sum is σ = 62268633600. Its totient is φ = 9942847200.

The previous prime is 30478916813. The next prime is 30478916879. The reversal of 30478916814 is 41861987403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30478916813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136402 + ... + 282069.

It is an arithmetic number, because the mean of its divisors is an integer number (1945894800).

Almost surely, 230478916814 is an apocalyptic number.

30478916814 is an abundant number, since it is smaller than the sum of its proper divisors (31789716786).

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

30478916814 is a wasteful number, since it uses less digits than its factorization.

30478916814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418736.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 30478916814 in words is "thirty billion, four hundred seventy-eight million, nine hundred sixteen thousand, eight hundred fourteen".

Divisors: 1 2 3 6 61 122 183 199 366 398 597 1194 12139 24278 36417 72834 418471 836942 1255413 2510826 25526731 51053462 76580193 83275729 153160386 166551458 249827187 499654374 5079819469 10159638938 15239458407 30478916814