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3764664672 = 253971093709
BaseRepresentation
bin1110000001100100…
…0011100101100000
3100201100212210001220
43200121003211200
530202223232142
61421321455040
7162202056516
oct34031034540
910640783056
103764664672
11166206731a
12890941480
1347cc44b42
14279db44b6
1517078b2ec
hexe0643960

3764664672 has 96 divisors (see below), whose sum is σ = 10078437600. Its totient is φ = 1230225408.

The previous prime is 3764664661. The next prime is 3764664697. The reversal of 3764664672 is 2764664673.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013154 + ... + 1016862.

It is an arithmetic number, because the mean of its divisors is an integer number (104983725).

Almost surely, 23764664672 is an apocalyptic number.

3764664672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3764664672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5039218800).

3764664672 is an abundant number, since it is smaller than the sum of its proper divisors (6313772928).

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

3764664672 is a wasteful number, since it uses less digits than its factorization.

3764664672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928 (or 3920 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 51.

The square root of 3764664672 is about 61356.8632835806. The cubic root of 3764664672 is about 1555.6387986232.

Subtracting from 3764664672 its reverse (2764664673), we obtain a palindrome (999999999).

The spelling of 3764664672 in words is "three billion, seven hundred sixty-four million, six hundred sixty-four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 97 109 194 218 291 327 388 436 582 654 776 872 1164 1308 1552 1744 2328 2616 3104 3488 3709 4656 5232 7418 9312 10464 10573 11127 14836 21146 22254 29672 31719 42292 44508 59344 63438 84584 89016 118688 126876 169168 178032 253752 338336 356064 359773 404281 507504 719546 808562 1015008 1079319 1212843 1439092 1617124 2158638 2425686 2878184 3234248 4317276 4851372 5756368 6468496 8634552 9702744 11512736 12936992 17269104 19405488 34538208 38810976 39215257 78430514 117645771 156861028 235291542 313722056 470583084 627444112 941166168 1254888224 1882332336 3764664672