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3772144681 = 22354131267
BaseRepresentation
bin1110000011010110…
…0101110000101001
3100201212221210201021
43200311211300221
530211132112211
61422150052441
7162322462234
oct34065456051
910655853637
103772144681
111666306148
1289334a121
13481663696
1427ada041b
15171267771
hexe0d65c29

3772144681 has 8 divisors (see below), whose sum is σ = 3796185344. Its totient is φ = 3748168080.

The previous prime is 3772144679. The next prime is 3772144687. The reversal of 3772144681 is 1864412773.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3772144681 - 21 = 3772144679 is a prime.

It is a super-2 number, since 2×37721446812 = 28458150988793183522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3772144687) 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, 105010 + ... + 136276.

It is an arithmetic number, because the mean of its divisors is an integer number (474523168).

Almost surely, 23772144681 is an apocalyptic number.

It is an amenable number.

3772144681 is a deficient number, since it is larger than the sum of its proper divisors (24040663).

3772144681 is a wasteful number, since it uses less digits than its factorization.

3772144681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32031.

The product of its digits is 225792, while the sum is 43.

The square root of 3772144681 is about 61417.7879852409. The cubic root of 3772144681 is about 1556.6684161390.

The spelling of 3772144681 in words is "three billion, seven hundred seventy-two million, one hundred forty-four thousand, six hundred eighty-one".

Divisors: 1 223 541 31267 120643 6972541 16915447 3772144681