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3964786468 = 221922745697
BaseRepresentation
bin1110110001010001…
…1101011100100100
3101020022110000120021
43230110131130210
531104441131333
61453231044524
7200152062136
oct35424353444
911208400507
103964786468
111755022835
12927970744
134b25426c6
142987c9056
1518311b82d
hexec51d724

3964786468 has 18 divisors (see below), whose sum is σ = 7322776566. Its totient is φ = 1878056064.

The previous prime is 3964786433. The next prime is 3964786471. The reversal of 3964786468 is 8646874693.

3964786468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3738344164 + 226442304 = 61142^2 + 15048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1371405 + ... + 1374292.

Almost surely, 23964786468 is an apocalyptic number.

3964786468 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3964786468 is a deficient number, since it is larger than the sum of its proper divisors (3357990098).

3964786468 is a wasteful number, since it uses less digits than its factorization.

3964786468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745739 (or 2745718 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 61.

The square root of 3964786468 is about 62966.5503898697. The cubic root of 3964786468 is about 1582.7291490341.

The spelling of 3964786468 in words is "three billion, nine hundred sixty-four million, seven hundred eighty-six thousand, four hundred sixty-eight".

Divisors: 1 2 4 19 38 76 361 722 1444 2745697 5491394 10982788 52168243 104336486 208672972 991196617 1982393234 3964786468