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4781861688412 = 223145784383809
BaseRepresentation
bin100010110010101110100…
…1010101101010001011100
3121221010211011101202001201
41011211131022231101130
51111321223043012122
614100431255245244
71002322663464214
oct105453512552134
917833734352051
104781861688412
111583a81295406
1265290b979824
13288c09ca8b53
1412762c753244
15845c1bc2a27
hex4595d2ad45c

4781861688412 has 24 divisors (see below), whose sum is σ = 8657103835520. Its totient is φ = 2308740986880.

The previous prime is 4781861688391. The next prime is 4781861688419. The reversal of 4781861688412 is 2148861681874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781861688419) 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, 42135237 + ... + 42248572.

Almost surely, 24781861688412 is an apocalyptic number.

It is an amenable number.

4781861688412 is a deficient number, since it is larger than the sum of its proper divisors (3875242147108).

4781861688412 is a wasteful number, since it uses less digits than its factorization.

4781861688412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84384301 (or 84384299 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 64.

The spelling of 4781861688412 in words is "four trillion, seven hundred eighty-one billion, eight hundred sixty-one million, six hundred eighty-eight thousand, four hundred twelve".

Divisors: 1 2 4 31 62 124 457 914 1828 14167 28334 56668 84383809 168767618 337535236 2615898079 5231796158 10463592316 38563400713 77126801426 154253602852 1195465422103 2390930844206 4781861688412