Search a number
-
+
34666604672 = 277223512
BaseRepresentation
bin100000010010010010…
…100110100010000000
310022110222022222112012
4200102102212202000
51031444122322142
623531533352052
72335033164200
oct402222464200
9108428288465
1034666604672
111377a438207
126875938628
13336613263b
14196c122400
15d7d676882
hex8124a6880

34666604672 has 72 divisors (see below), whose sum is σ = 80372052855. Its totient is φ = 14850796800.

The previous prime is 34666604647. The next prime is 34666604677. The reversal of 34666604672 is 27640666643.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 17333302336 + 17333302336 = 131656^2 + 131656^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=131656.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34666604672.

It is not an unprimeable number, because it can be changed into a prime (34666604677) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14744297 + ... + 14746647.

Almost surely, 234666604672 is an apocalyptic number.

34666604672 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 34666604672

34666604672 is an abundant number, since it is smaller than the sum of its proper divisors (45705448183).

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

34666604672 is an frugal number, since it uses more digits than its factorization.

34666604672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 50.

Multiplying 34666604672 by its sum of digits (50), we get a square (1733330233600 = 13165602).

The spelling of 34666604672 in words is "thirty-four billion, six hundred sixty-six million, six hundred four thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 392 448 784 896 1568 2351 3136 4702 6272 9404 16457 18808 32914 37616 65828 75232 115199 131656 150464 230398 263312 300928 460796 526624 921592 1053248 1843184 2106496 3686368 5527201 7372736 11054402 14745472 22108804 38690407 44217608 77380814 88435216 154761628 176870432 270832849 309523256 353740864 541665698 619046512 707481728 1083331396 1238093024 2166662792 2476186048 4333325584 4952372096 8666651168 17333302336 34666604672