Search a number
-
+
3977707485 = 35311985021
BaseRepresentation
bin1110110100010110…
…1111111111011101
3101021012202110212110
43231011233333131
531121243114420
61454412024233
7200366645553
oct35505577735
911235673773
103977707485
111761348564
12930162079
134b511798b
1429a3cdbd3
1518431eee0
hexed16ffdd

3977707485 has 16 divisors (see below), whose sum is σ = 6366447360. Its totient is φ = 2120738880.

The previous prime is 3977707411. The next prime is 3977707493. The reversal of 3977707485 is 5847077793.

It is a happy number.

It is not a de Polignac number, because 3977707485 - 213 = 3977699293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4275 + ... + 89295.

It is an arithmetic number, because the mean of its divisors is an integer number (397902960).

Almost surely, 23977707485 is an apocalyptic number.

It is an amenable number.

3977707485 is a deficient number, since it is larger than the sum of its proper divisors (2388739875).

3977707485 is a wasteful number, since it uses less digits than its factorization.

3977707485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88148.

The product of its (nonzero) digits is 10372320, while the sum is 57.

The square root of 3977707485 is about 63069.0691623081. The cubic root of 3977707485 is about 1584.4466265406.

The spelling of 3977707485 in words is "three billion, nine hundred seventy-seven million, seven hundred seven thousand, four hundred eighty-five".

Divisors: 1 3 5 15 3119 9357 15595 46785 85021 255063 425105 1275315 265180499 795541497 1325902495 3977707485